Radiology Intake Workflow

Model Designed by Kelly Emrick, DHSc, PhD, MBA

Healthcare Operations · Radiology Informatics

The Radiology Intake Workflow

From the moment a referring physician requests an imaging exam to the moment the final report returns — a research-grounded interactive map of the radiology intake process, its standards, bottlenecks, and the metrics that govern its performance.

Kelly Emrick, DHSc, PhD, MBA, RT(R)

Why Intake Matters

A complex, multi-step workflow hidden behind a single click

When a referring clinician orders an imaging study, it triggers a coordinated sequence of clinical, administrative, and technical activities involving more than ten roles, three primary information systems, and dozens of standardized messages. How well a department orchestrates this sequence determines turnaround time, patient throughput, length of stay, and patient satisfaction.

Core Workflow Steps

Order → Schedule → Register → Acquire → Interpret → Bill

90%

IR Cases Delayed

Outpatient interventional procedures with documented start delays

12+

Hours Per Week

Provider time consumed by prior-authorization workflows

Distinct Stakeholders

Roles required to move a single order through to a finalized report

What This Dashboard Maps

The Process

A step-by-step walkthrough of the intake journey: who does what, what data is exchanged, and which standards govern each handoff. Each step exposes the messages, the actors, and the failure points beneath the surface.

The Standards

HL7 v2 (ORM, ADT, ORU), HL7 FHIR, DICOM (MWL, MPPS, C-STORE), and IHE Scheduled Workflow profiles — the integration plumbing that keeps EHR, RIS, PACS, and modalities synchronized.

The Bottlenecks

Where the workflow most often breaks: incomplete orders, prior-authorization delays, room and radiologist unavailability, interface failures, no-shows. Each rated by severity with mitigation strategies.

The Metrics

Seven core KPIs — order-to-exam, exam-to-report, total turnaround time, no-show rate, scheduling utilization, order completeness, authorization delay — with calculators that benchmark your department against industry targets.

The Variations

How the same workflow shifts across emergency, inpatient, outpatient, and teleradiology settings. Door-to-CT in stroke care versus weeks-to-MRI in routine outpatient. Different modes, different risks, different metrics.

Your Department’s Maturity

A 36-item self-assessment across six domains generates a maturity profile and an automatically populated 90-day improvement roadmap targeting the highest-leverage gaps in your intake operations.

How to use this dashboard: Work through the tabs in order if you’re new to radiology operations. If you’re a department leader, jump to the Maturity Assessment and KPI Dashboard tabs to benchmark your current state, then use the Action Roadmap to prioritize improvements.

Section 01

The Six-Step Intake Journey

Every imaging study traverses the same fundamental sequence — from the clinician’s order in the EHR through to the final report’s return. Click each step to expand the data elements, stakeholders, standards, KPIs, and common failure points that govern that stage.

Order Entry

Referring Provider · EHR/HIS · CPOE

The referring provider enters an imaging order via Computerized Provider Order Entry. Many systems enforce clinical decision support and appropriateness criteria at this stage. Once saved, the EHR generates an HL7 ORM^O01 message (or FHIR ImagingOrder resource) transmitted to the RIS.

Data Elements Created

Patient demographics (Name, MRN, DOB, sex)
Ordering provider ID, location
Exam type (CPT/procedure code), body part, laterality
Clinical indication, ICD-10 diagnosis
Priority (routine, urgent, stat)
Allergies, contraindications

Standards in Play

HL7 ORM^O01 (order message)
FHIR ImagingOrder / ServiceRequest
HL7 ADT^A01/A08 (registration context)
ACR Appropriateness Criteria (CDS)
CPT, ICD-10, LOINC

Common Failure Points

Missing clinical indication
Incomplete laterality or body part
Wrong exam type ordered
No renal function for contrast studies
Provider bypasses CDS recommendations

KPIs Affected

Order completeness rate (target >95%)
Order-to-exam time (downstream)
Appropriateness compliance
Order rejection / amendment rate

Order Review & Scheduling

Radiology Scheduler · Authorization Team · RIS

Radiology schedulers review the order for completeness and clinical appropriateness, contacting the referring physician for missing details. Insurance prior-authorization is initiated where required. Once cleared, an appointment slot is selected, prep instructions are communicated to the patient, and a unique Accession Number is generated.

Data Elements Created

Scheduled date and time
Modality / room assignment
Accession number (unique)
Authorization number (if needed)
Patient prep instructions
Appointment status code

Standards in Play

HL7 SIU (scheduling message)
FHIR Appointment / Slot
IHE Scheduled Workflow (SWF)
Payer-specific auth protocols

Common Failure Points

Prior-auth approval delays (days to weeks)
Limited modality capacity, long backlog
Patient unreachable for scheduling
Conflicting appointment slots
Outdated insurance information

KPIs Affected

Time-to-schedule
Authorization approval time
Scheduling utilization (target 85–90%)
Backlog / days-to-next-available

Patient Registration

Registration Staff · ADT System

On the day of the exam, registration staff verify identity and insurance, complete safety screening (metal, allergies, pregnancy, renal function), confirm consent, and update the ADT system to mark the patient as arrived.

Data Elements Created

Arrival timestamp
Verified insurance / co-pay
Updated visit / encounter ID
Safety screening results
Consent documentation

Standards in Play

HL7 ADT^A04 (outpatient registration)
HL7 ADT^A08 (update)
FHIR Encounter / Patient
IHE Patient Information Reconciliation (PIR)

Common Failure Points

Patient ID mismatch / duplicate records
Late arrivals disrupting schedule
Unscreened safety risks (e.g., metal in body for MRI)
Insurance coverage lapsed since auth

KPIs Affected

Check-in to scan time
Same-day cancellation rate
Patient identity error rate

Examination & Acquisition

Technologist · Modality · PACS

The technologist pulls the scheduled exam from the DICOM Modality Worklist, follows protocol, and acquires images. The modality streams DICOM images to PACS via C-STORE and reports completion status to the RIS via Modality Performed Procedure Step (MPPS) messages.

Data Elements Created

DICOM Study / Series / SOP Instance UIDs
Acquisition timestamps
Technical parameters (kVp, mAs, sequences, contrast dose)
Number of images, series, reconstructions
Procedure step status

Standards in Play

DICOM Modality Worklist (MWL)
DICOM MPPS (in progress / completed)
DICOM C-STORE (image transfer)
DICOM Storage Commitment
DICOMweb (STOW-RS, WADO-RS)

Common Failure Points

MWL entry not found — manual entry risk
PACS storage / network failure
Repeat imaging due to motion / quality
Protocol error or missing series
MPPS message not delivered

KPIs Affected

Exam duration vs. protocol target
Repeat / retake rate
Scanner / room utilization
Image transfer latency

Interpretation & Reporting

Radiologist · RIS · Reporting System

The radiologist opens the study from the priority-sorted worklist, interprets the images, and creates a structured report. Once finalized, an HL7 ORU^R01 (or FHIR DiagnosticReport) is sent back to the EHR. Critical findings trigger direct communication with the ordering clinician.

Data Elements Created

Findings, impression, recommendations
Coded findings (RadLex, SNOMED CT)
Report status (preliminary, final, amended)
Radiologist signature, timestamp
Critical results communication log

Standards in Play

HL7 ORU^R01 (results reporting)
FHIR DiagnosticReport / Observation
HL7 CDA radiology report
DICOM Structured Reporting (SR)
RadLex, SNOMED CT

Common Failure Points

Worklist priority misclassification
Report routing failure to EHR
Critical finding not communicated
Voice-recognition errors in dictation
Radiologist interruptions / fatigue

KPIs Affected

Exam-to-report time
Stat report TAT (<1 hour target)
Report addendum / amendment rate
Critical results closed-loop rate

Post-Processing, Billing & Loop Closure

Billing/Coding · Referring Provider · EHR

Coding specialists assign final CPT and ICD codes, charges are submitted to the billing system, and the report posts to the patient record. Closed-loop confirmation occurs when the referring physician acknowledges receipt and integrates findings into ongoing care.

Data Elements Created

Final CPT / HCPCS codes with modifiers
ICD-10 diagnosis codes
Charge ticket / claim
Provider acknowledgment
Follow-up recommendations tracking

Standards in Play

HL7 DFT (Detailed Financial Transaction)
X12 837 (claim submission)
CPT, HCPCS, ICD-10
FHIR Claim / Account

Common Failure Points

Missing or wrong CPT / ICD codes
Claim denials due to auth mismatch
Report not acknowledged by referrer
Follow-up recommendations lost

KPIs Affected

Days in accounts receivable
Claim denial rate
Coding accuracy
Follow-up recommendation closure rate

The principle of one-time data entry: The IHE Scheduled Workflow profile prescribes that core patient and order identifiers — once entered — flow unchanged through every downstream system. This is what prevents the manual re-keying errors that historically plagued radiology operations.

Section 02

The Eleven Roles That Move an Order

A single imaging study passes through clinical, administrative, technical, and financial hands. Each role owns specific data, specific decisions, and specific handoffs. Misalignment at any handoff is a primary source of delay.

Clinical Roles

Clinical

Referring Provider

Orders the imaging study, supplies clinical indication and diagnosis codes, sets urgency, and consults appropriateness criteria. Receives results and integrates findings into ongoing care.

→ Hands off to: Scheduler (via order message)

Clinical

Patient

The center of the workflow. Schedules and attends the exam, provides consent and clinical history, follows preparation instructions, and is the eventual recipient of results.

→ Touchpoints: Scheduler, Registration, Tech, Provider

Clinical

Medical Technologist / Radiographer

Performs the exam: prepares the patient, selects protocol, acquires images, ensures quality, and uploads to PACS. Validates the modality worklist entry against the order.

→ Hands off to: Radiologist (via PACS)

Clinical

Radiologist

Interprets images and creates the diagnostic report. Assigns priority, ensures accuracy and timeliness, communicates critical findings, and oversees protocol selection.

→ Hands off to: Referring Provider (via report)

Clinical Support

Nursing Staff

Critical for contrast studies and interventional radiology — places IV access, administers medications, monitors vitals, manages patient before, during, and after procedures.

→ Coordinates with: Tech, Radiologist (IR)

Administrative Roles

Administrative

Radiology Scheduler / Coordinator

Reviews and triages incoming orders, validates patient data, secures insurance authorization, assigns appointment slots, and manages patient communication and reminders.

→ Hands off to: Registration (on day of exam)

Administrative

Registration / ADT Staff

Registers the patient on arrival, verifies identity and insurance, updates ADT status, collects co-pays, and conducts safety screening before linking patient to the scheduled exam.

→ Hands off to: Technologist (patient ready)

Administrative

Insurance / Authorization Team

Verifies coverage, manages prior-authorization submissions and approvals (often required for advanced imaging), tracks status, and communicates outcomes back to the scheduler.

→ Often a rate-limiting step for non-emergent cases

Technical Roles

Technical

PACS Administrator

Maintains the PACS image archive and viewer systems. Ensures image availability, storage capacity, archival backup, redundancy, and security access controls.

→ Supports: Radiologists, IT continuity

Technical

RIS Administrator

Maintains the Radiology Information System. Configures orderable items, scheduling rules, HL7 / FHIR interfaces, and troubleshoots scheduling and reporting workflows.

→ Bridges: HIS ↔ Modalities ↔ PACS

Technical

HIS / EMR Administrator

Maintains EHR integration with RIS and PACS via interface engine. Resolves message routing errors and ensures system uptime across the broader hospital information ecosystem.

→ Owns: HL7 message routing

Financial Roles

Financial

Billing / Coding Team

Converts report and order data into billing claims. Assigns CPT codes for procedures, validates ICD codes for indications, processes charges, and handles claim denials and appeals.

→ Closes the financial loop

Where handoffs break: The most common operational failures occur at the boundaries between roles — order to scheduler (incomplete data), scheduler to insurance (auth delays), modality to PACS (transfer failures), and radiologist back to referrer (closed-loop gaps). Map your handoffs and you have mapped your bottlenecks.

Section 03

Data, Standards & Integration

The radiology intake workflow runs on a backbone of established standards. HL7 and FHIR carry orders and results. DICOM carries images and procedural status. IHE profiles tie them together into reproducible, vendor-neutral integration patterns.

Core Standards Reference

Standard	Purpose	Key Messages / Resources	Where in the Workflow
HL7 v2	Legacy hospital messaging — the most widely deployed integration backbone.	ORM^O01 orders ADT^A01/A08 registration ORU^R01 results SIU scheduling	Steps 1, 2, 3, 5
HL7 FHIR	Modern RESTful interoperability standard, replacing or augmenting v2 in newer integrations.	ServiceRequest ImagingStudy DiagnosticReport Appointment	All steps (modern stacks)
DICOM	Image format and network protocol for transferring medical imaging data.	MWL worklist MPPS procedure step C-STORE image transfer SR structured report	Step 4 (and Step 5 SR)
IHE SWF	Scheduled Workflow profile that orchestrates HL7 and DICOM into a coherent end-to-end pattern.	Defines actors: Order Placer, Order Filler, Scheduler, Modality, Image Manager, Report Manager	Spans Steps 1–5
IHE PIR	Patient Information Reconciliation — handles ID mismatches and merges across systems.	HL7 ADT merge transactions	Step 3 (when needed)
DICOMweb	RESTful APIs for DICOM (web-friendly), used in modern image sharing and cloud-based workflows.	STOW-RS store QIDO-RS query WADO-RS retrieve	Step 4 (newer systems)
CPT / HCPCS	Procedure coding for billing and exam identification.	5-digit CPT codes; HCPCS for supplies/devices	Steps 1, 6
ICD-10	Diagnosis coding — captures clinical indication and supports medical necessity.	ICD-10-CM for outpatient; ICD-10-PCS for procedures	Steps 1, 6
RadLex / SNOMED CT	Radiology-specific and general clinical terminologies for structured findings.	Embedded in DICOM SR and structured reports	Step 5

The Message Flow: Order to Report

A simplified sequence of the core integration messages exchanged from order placement through report delivery:

1. EHR/HIS ──▶ RIS HL7 ORM^O01 (Place Order)

2. RIS ──▶ EHR/HIS HL7 ACK (Order Received)

3. RIS ──▶ RIS Schedule Exam · Generate Accession Number

4. RIS ──▶ Modality DICOM MWL Entry (Patient + Exam)

5. Modality ──▶ RIS DICOM MPPS (IN PROGRESS)

6. Modality ──▶ PACS DICOM C-STORE (Images)

7. PACS ──▶ Modality DICOM Storage Commitment (Confirmed)

8. Modality ──▶ RIS DICOM MPPS (COMPLETED)

9. PACS ──▶ Radiologist Worklist Updated · Read Available

10. Radiologist ──▶ RIS Report Signed (Final)

11. RIS ──▶ EHR/HIS HL7 ORU^R01 (Report Delivery)

12. EHR/HIS ──▶ Provider In-Basket Notification · Report Available

Security & Privacy Compliance

Every transaction in this flow carries Protected Health Information (PHI). HIPAA, HITECH, and accreditation standards demand that every link is secured, audited, and access-controlled.

Transport & Storage

TLS encryption for HL7 / FHIR over network
VPN or secure DICOM transport for off-site image transfer
Encryption at rest for PACS archives and RIS databases
OAuth 2.0 / OpenID Connect for FHIR APIs

Access & Audit

Role-based access controls in RIS and PACS
Comprehensive audit logs of view, modify, export
IHE Basic Patient Privacy (APP) profile alignment
DICOM de-identification for external sharing or research

Continuity & Recovery

Redundant storage and offsite backup of images
Documented downtime procedures (manual workflow)
Failover plans for RIS, PACS, interface engine
Regular disaster recovery drills

Governance

Business Associate Agreements with vendors and teleradiology
Annual HIPAA training and phishing awareness
Joint Commission and ACR accreditation alignment
MQSA-specific governance for mammography

Section 04

Where the Workflow Breaks

Audit data tells a consistent story: most intake delays cluster around a small number of well-known causes. An audit of outpatient interventional radiology cases attributed delays primarily to room unavailability, radiologist availability, and incomplete documentation — patterns that generalize across modalities.

Distribution of Documented Delay Causes

Data pattern from outpatient interventional radiology audit (Kilgour et al., 2023). Distributions vary by modality and setting.

Top Failure Modes by Severity

Prior-Authorization Delays

Insurance approval requirements consume provider time and postpone non-emergent imaging. Outpatient MRI and CT are most affected.

Providers report 12+ hours/week on auth tasks (ACR).

Incomplete Order Information

Missing clinical indication, weight, renal function, or laterality forces orders to be held, calls back to ordering providers, and downstream prep delays.

~18% of IR delays attributed to documentation gaps.

Resource Contention

Limited scanner / room availability and competing radiologist coverage drive scheduling backlogs, especially for MRI and IR suites.

Room and radiologist availability = 68% of IR delays.

Failure Mode Catalog

Patient No-Shows & Cancellations

Failure to attend scheduled exams without notice. Often driven by patient anxiety, confusion about prep, or transportation barriers.

Industry no-show benchmark: target <5–10%.

Interface / Integration Failures

HL7 messages dropped, MWL server offline, PACS storage at capacity, ADT not propagating. Often invisible until exams stall in the queue.

Mitigated by IHE SWF compliance and engine monitoring.

Patient Identity Mismatches

ADT and order data carry different IDs or demographics. Causes orders to land on the wrong patient or be queued in error states.

IHE PIR profile addresses this systemically.

Communication Gaps Between Departments

Floor nurses, transport, and radiology desynchronized; phone-tag for stat orders; missed messages on critical findings.

A leading source of delay in inpatient settings.

Radiologist Workflow Interruptions

Pulled to emergent cases, phone consultations, or coverage gaps during off-hours. Affects exam-to-report time, especially after-hours.

Linked to increased addendum / amendment rates.

Repeat Imaging from Quality Issues

Patient motion, protocol error, or equipment fault forces a re-scan. Lower frequency, but extends total exam time and consumes capacity.

Often signals a training or QC opportunity.

Closed-Loop Communication Gaps

Critical results or follow-up recommendations not acknowledged by the ordering provider. Patient safety implication if missed.

Joint Commission NPSG focus area.

Coding & Claim Denials

Wrong CPT modifier, missing ICD code, or auth-mismatch causes claim denial. Downstream financial impact and rework.

Tracked via days-in-AR and denial rate.

Root-Cause Analyzer

Select a failing KPI to see the most likely upstream causes and proven mitigation strategies.

Symptom — which KPI is off-target?

Section 05

Performance Metrics That Govern Intake

Intake performance is measured through a small set of high-leverage KPIs. Enter your department’s actual values below to see how each metric compares to industry benchmarks. Targets vary by setting (ED versus routine outpatient) and modality.

Why these metrics matter: Turnaround time is strongly associated with hospital throughput, length of stay, and patient satisfaction. But operational research also warns that relentless focus on speed alone can stress staff and degrade report quality — balance speed with accuracy and well-being.

Your KPIs vs. Targets

Section 06

How the Workflow Shifts Across Settings

The same six-step skeleton operates very differently depending on context. ED imaging compresses minutes; routine outpatient imaging is measured in days or weeks. Teleradiology adds geographic and contractual layers. Each variation reshuffles risks, metrics, and priorities.

Acute · Time-Critical

Emergency Department

Time Pressure: Door-to-CT for stroke: <25 minutes. Trauma X-ray: minutes from arrival.
Workflow Shortcuts: Orders bypass standard scheduling. Patients sent directly to modality. Registration may occur retroactively.
Authorization: Not required pre-exam — emergent care exception.
Reading: Verbal preliminary reads common; final reports follow within hours.
Risk Profile: Speed prioritized; risk of incomplete documentation, identity errors, billing edge cases.

Hospital-Based

Inpatient

Time Pressure: Goal often within hours; tied to discharge planning and length-of-stay.
Workflow: Orders entered from floor; transport coordinated; patient already in ADT system.
Authorization: Generally not required for inpatient stay.
Reading: Concurrent or end-of-day reads to support discharge decisions.
Risk Profile: Communication gaps between floor and radiology; transport delays; competing emergent priorities.

Scheduled · Pre-Authorized

Outpatient

Time Pressure: Days to weeks for routine; same-day or next-day for urgent referrals.
Workflow: Full scheduling cycle: auth, prep instructions, reminders, registration on arrival.
Authorization: Often required and rate-limiting. Failed auth can hold orders indefinitely.
Reading: Routine within 24 hours; results to ordering provider through EHR.
Risk Profile: Auth delays, no-shows, prep non-compliance, insurance changes between auth and exam.

Distributed · Contracted

Teleradiology

Time Pressure: Often overnight or after-hours coverage for ED studies.
Workflow: Images acquired on-site, transmitted off-site for interpretation. Reports return electronically.
Authorization: Not directly handled — inherited from originating facility.
Reading: Reading group manages its own worklist; SLAs govern turnaround.
Risk Profile: Image transfer security, credentialing across states, communication latency for critical findings.

How Modalities Add Their Own Wrinkles

Modality	Workflow Considerations	Special Risks
CT / MRI	Contrast screening, renal function labs, NPO status, claustrophobia management for MRI, scheduler-driven prep coordination.	Auth-heavy; long exam slots; contrast safety events.
Ultrasound	Tech-dependent; some exams (OB, vascular) require radiologist presence for completion; immediate prelim reads possible.	Operator variability; protocol drift; tech availability.
Interventional Radiology	OR-style scheduling: consent, IV access, sedation, pre-procedure labs, multi-disciplinary team coordination.	Resource-intensive; documentation and consent gaps; high delay rate (90%+ in some audits).
Nuclear Medicine	Tracer availability is time-sensitive; isotope half-life dictates same-day scheduling rigor.	Tracer delivery delays; dose preparation timing; regulatory / safety controls.
Mammography	MQSA-specific patient notification, dense-breast disclosures, additional regulatory documentation.	MQSA accreditation, lay-letter requirements, follow-up tracking obligations.
X-Ray (plain film)	Often walk-in or expedited; portable units used at bedside or in ED for trauma.	Wrong-patient or wrong-side errors; portable image quality.

Section 07

Intake Maturity Self-Assessment

Rate your department’s current state across 36 items in six domains. Each item is scored 0–4, where 0 = “not in place,” 2 = “partially implemented,” and 4 = “fully implemented and continuously improved.” Your results identify the highest-leverage gaps and feed directly into the Action Roadmap tab.

Rate honestly. The scoring is for your own benchmarking — there’s no value in inflating numbers. Domains where you score below 60% are your highest-priority opportunities.

Overall Intake Maturity

—

Not yet scored

Domain Scores

Next step: Open the Action Roadmap tab — your three lowest-scoring domains will populate a 90-day improvement plan with prioritized actions.

Section 08

Your 90-Day Action Roadmap

A phased improvement plan, automatically populated from your Maturity Assessment results. Where no assessment has been completed, a balanced default roadmap covering the highest-leverage intake improvements is shown.

Status: Showing a default roadmap. Complete the Maturity Assessment to receive a roadmap targeted to your specific gaps.

Universal Quick Wins

Regardless of assessment results, these are high-impact, low-cost interventions that nearly every intake operation benefits from:

Mandatory Order Fields

Configure the EHR to require clinical indication, laterality, and prior imaging review before order submission. Single biggest lever on order completeness.

Real-Time Auth Status Visibility

A scheduler dashboard column showing each order’s auth status removes the most common “where is this order stuck?” friction.

Two-Way Patient Reminders

Text-based reminders with confirm/cancel options reduce no-show rates substantially and recapture slots before they’re lost.

Critical Results Closed-Loop Tracking

A documented, monitored process for ensuring critical findings reach the ordering provider — a Joint Commission focus and a patient safety essential.

Daily KPI Huddle

A brief daily review of yesterday’s TAT, no-shows, and stuck orders moves operational issues from monthly retrospectives to same-day fixes.

Interface Engine Monitoring

Dashboards on unACKed HL7 messages, MWL queue depth, and PACS transfer failures prevent silent integration issues from accumulating.