G8674 HCPCS Reimbursement & Policy Benchmarks

HCPCS Level II code G8674 denotes a risk-adjusted functional status change residual score for selected orthopedic regions (neck, cranium, mandible, thoracic spine, ribs, or other general orthopedic impairment) that was not measured because the patient failed to complete the general orthopedic functional status patient-reported outcome measure at initial evaluation and/or near discharge, with no reason provided. Nationally, this code captures gaps in PROM completion that affect functional outcome reporting and quality measurement across outpatient rehabilitation services. Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will learn what the code represents, the clinical and administrative context for its use, typical sites of service where it applies, and which payers recognize or process this HCPCS Level II code. The summary covers available benchmarks and coding guidance where present, notes on documentation expectations, and the implications of unmeasured PROMs for outcome tracking and reporting. Data not available in the input for associated taxonomies, specific ICD-10 pairings, and payer-specific reimbursement policies.

Billing Code Overview

HCPCS Level II code G8674 represents a risk-adjusted functional status change residual score for impairments of the neck, cranium, mandible, thoracic spine, ribs, or other general orthopedic areas when the patient did not complete the general orthopedic functional status patient-reported outcome measure (FS PROM) at initial evaluation and/or near discharge and the reason was not given. This code documents a missing or unmeasured functional status change residual score due to noncompletion of the required PROM.

Service type: Assessment/documentation of functional status change residual for general orthopedic impairments when PROM data are not available
Typical site of service: Outpatient physical or occupational therapy settings and other ambulatory rehabilitation clinics where orthopedic functional status PROMs are used for evaluation and discharge tracking

Data not available in the input.

Clinical Context

A 48-year-old patient presents to an outpatient orthopedic physical therapy clinic after a motor vehicle collision with neck pain, headaches, and limited cervical range of motion. The initial evaluation is completed, but the patient did not complete the general orthopedic functional status patient-reported outcome measure (fs PROM) for the neck and cranium due to severe pain and dizziness at that visit. The treating clinician documents objective measures (ROM, strength, special tests) and plans for PROM completion at the next visit or near discharge. At discharge, the patient again fails to complete the general orthopedic fs PROM for the neck/cranium region for an undocumented reason. The clinic must report a risk-adjusted functional status change residual score for the neck/cranium/mandible/thoracic spine/ribs/other general orthopedic impairment when the baseline and/or discharge fs PROM is missing; billing uses code G8674 to indicate the residual score was derived because the patient did not complete the required general orthopedic fs PROM at initial evaluation and/or near discharge and the reason was not given.

Workflow: on initial evaluation the therapist documents reason for missing PROM if known; if no reason is recorded, the therapist derives a risk-adjusted residual functional status change score from available objective measures and interim clinical data, documents the methodology, and appends code G8674 on the claim. Clinical documentation should include objective findings, risk-adjustment variables used, dates attempted for PROM completion, and the derived residual score calculation.

Coding Specifications

Modifier | Description | When to Use |---|---|---| | 22 | Increased procedural services | Use when additional work beyond typical is documented for deriving the residual score (extensive documentation/time).| | 23 | Unusual anesthesia | Not commonly applicable; include only if an anesthesia event affected PROM completion.| | | Reduced services | Use when the service was partially performed due to incomplete PROMs or truncated assessment.| | | Discontinued procedure | Use if evaluation was started but terminated before completion and PROM not obtained.| | | Split care — post-op | Use if postoperative services are split between providers affecting PROM administration.| | | Preoperative care | Use when preoperative evaluation was primary and PROM not completed for reasons affecting coding.| | | Two surgeons | Use when two surgeons share responsibility and documentation affects derivation of residual score.| | | Physician assistant, surgical | Use to indicate services furnished by a physician assistant where applicable.| | | Out-of-business ordering/servicing | Use per payer rules when the ordering/servicing provider is out-of-business and affects claim processing.| | | Service furnished under comprehensive bundled payment | Use when the service is part of a bundled payment arrangement and affects reporting.| | | Professional component modifier (for some payers) | Use when separating professional and technical components of functional assessment reporting, if applicable.| | | CY2021 specific modifier (use per payer guidance) | Use when required by specific payers for reporting derived scores or quality metrics.| | | Medical direction of two, 3–4 assistants | Use when the physician medically directs multiple assistants involved in care affecting evaluation completeness.| | | Certified registered nurse anesthetist service | Rarely applicable; include only if CRNA involvement affected PROM completion.

Related Diagnoses

ICD-10 Code | Description | Clinical Relevance |---|---|---| | M54.2 | Cervicalgia | Common diagnosis for neck pain where neck-related functional PROMs would be indicated.| | S13.4XXA | Sprain of ligaments of cervical spine, initial encounter | Acute cervical ligament injury frequently assessed with PROMs; missing PROM requires derived score.| | S06.0X0A | Concussion without loss of consciousness, initial encounter | Head/cranial complaints with dizziness or cognitive symptoms that may prevent PROM completion.| | M25.51 | Pain in shoulder | Upper extremity/adjacent region impairment that can be part of general orthopedic fs PROM for neck/cranium region.| | M99.01 | Segmental and somatic dysfunction of cervical region | Functional impairment of cervical spine relevant to derived functional status scores.| | S22.3XXA | Fracture of rib(s), initial encounter | Rib injuries affecting thoracic function where PROMs may be incomplete and require derived scoring.| | S42.2XXA | Fracture of clavicle, initial encounter | Associated thoracic girdle injuries that influence general orthopedic functional assessments.| | K07.1 | Anomalies of jaw-mandible, temporomandibular joint disorders | Mandible/cranial complaints where mandible PROMs could be required and sometimes incomplete.

Related CPT Codes

CPT Code | Description | Relationship to This Procedure |---|---|---| | 97161 | Physical therapy evaluation: low complexity, typically 20 minutes | Used at initial evaluation when a therapist performs the assessment; PROM may be attempted during this visit.| | 97162 | Physical therapy evaluation: moderate complexity, typically 30 minutes | Common for patients with multiple functional deficits where PROM completion may be attempted but not completed.| | 97110 | Therapeutic exercises to develop strength, endurance, range of motion and flexibility | Performed during treatment visits before or after PROM attempts; objective measures used to derive residual scores.| | 97140 | Manual therapy techniques (eg, mobilization/manipulation) | Treatment interventions for neck/thoracic impairments that may affect PROM completion and are documented in derivation.| | 99457 | Remote physiologic monitoring treatment management services | May be used when remote PROMs are attempted and incomplete, informing the derived residual score.| | 99080 | Service(s) provided in special circumstances, reporting administrative documentation | Used for additional documentation or reporting when PROMs are missing and a derived score is submitted.

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Summary & Overview

HCPCS G8674: Orthopedic Functional Status Residual Score Not Measured