M1204 HCPCS Reimbursement & Policy Benchmarks | OpenPayer

Summary & Overview

HCPCS M1204: Initial Symptom Severity Assessment (NRS/VRS/ItchyQuant)

HCPCS Level II code M1204 denotes an initial (index visit) patient-reported symptom severity assessment using a numeric rating scale (NRS), visual rating scale (VRS), or ItchyQuant tool with a score of greater than or equal to 4. The code flags an initial documented level of symptom intensity that may influence care planning, triage, and follow-up decisions at the point of service. Nationally, standardized capture of symptom severity supports quality measurement, population management, and reimbursement alignment for ambulatory services that rely on patient-reported outcomes.

Key payers included in this review are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The analysis covers coverage considerations, coding guidance, and common billing practices across these major payers.

Readers will find a concise overview of the code’s clinical context, typical sites of service, and how it is used to document initial symptom burden. The publication also summarizes common modifiers and administrative notes, contrasts related assessment approaches, and outlines what to expect from payers on claims adjudication and documentation requirements. Data not available in the input is noted where relevant.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareM1204HCPCS Level IIsymptom assessmentpatient-reported outcomenumeric rating scalevisual rating scaleItchyQuantoutpatient assessment

Billing Code Overview

HCPCS Level II code M1204 represents an initial (index visit) symptom severity assessment using a numeric rating scale (NRS), visual rating scale (VRS), or ItchyQuant assessment with a reported score of greater than or equal to 4. This code identifies a documented initial measurement of patient-reported symptom intensity at the index encounter.

Service type: Symptom severity assessment using patient-reported outcome measures
Typical site of service: Outpatient clinic or ambulatory care setting where initial symptom scoring is performed

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 52-year-old patient presents to an outpatient dermatology clinic with a three-month history of persistent pruritus localized to the forearms and trunk. The clinician performs an initial (index) itch severity assessment using a standardized patient-reported instrument — either a Numeric Rating Scale (NRS), Visual Rating Scale (VRS), or an ItchyQuant assessment — and documents a score of >= 4, indicating moderate to severe itch. The workflow: triage nurse records vitals and reason for visit; medical assistant administers the itch scale and documents the NRS/VRS/ItchyQuant score in the electronic health record; the dermatologist reviews history, performs skin exam, correlates the >= 4 itch score with differential diagnoses (for example, atopic dermatitis, contact dermatitis, chronic pruritus, or systemic causes), orders targeted labs or biopsies if indicated, initiates or adjusts topical/systemic therapy, and documents the assessment and plan. Typical sites of service include outpatient dermatology clinics, primary care offices, allergy/immunology clinics, and telemedicine visits where validated itch scales can be administered and recorded.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services

HCPCS Level II M1435: Patient on Oral Chemotherapy

HCPCS-M1169-INFLUENZA-VACCINE-MEDICAL-EXEMPTION-DOCUMENTATION

HCPCS M1169: Documentation of Medical Reason for Not Administering Influenza Vaccine

HCPCS-M1274-SNF-ADMISSION-MONTHLY-EVALUATION-EXCLUSION

HCPCS Level II M1274: SNF Admission Monthly Evaluation Exclusion

HCPCS-M1258-CVD-RISK-ASSESSMENT-DOCUMENTED-RISK-SCORE

HCPCS Level II M1258: Cardiovascular Risk Assessment, Documented Risk Score

HCPCS-M1394-STAGES-1-3-BREAST-CANCER-ONCOLOGY-CARE

HCPCS M1394: Stages I–III Breast Cancer

HCPCS-M1314-BMI-NOT-DOCUMENTED

HCPCS Level II M1314: BMI Not Documented, No Reason Given

HCPCS-M1501-PATHOLOGY-MIPS-VALUE-PATHWAY

HCPCS M1501: Pathology MIPS Value Pathway

HCPCS-LEVEL-II-M1384-PATIENTS-DIED-PERFORMANCE-PERIOD

HCPCS Level II M1384: Patients Who Died During Performance Period

HCPCS-M1433-ORAL-CHEMOTHERAPY-EXPOSURE

HCPCS M1433: Oral Chemotherapy Exposure, 30-Day Window

HCPCS-M1498-DIAGNOSTIC-RADIOLOGY-MIPS-VALUE-PATHWAY

HCPCS M1498: Diagnostic Radiology MIPS Value Pathway

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Taxonomy Code	Specialty	Notes
`207N00000X`	Dermatology	Primary specialty performing itch severity assessments and management.
`207R00000X`	Allergy & Immunology	Common specialty evaluating chronic pruritus related to allergic or immunologic causes.
`208D00000X`	Family Medicine	Primary care clinicians frequently perform initial itch assessments and coordinate care.
`363L00000X`	Nurse Practitioner	NPs frequently administer and document standardized itch scales in outpatient settings.
`367A00000X`	Physician Assistant	PAs commonly perform the assessment and initial management in dermatology and primary care clinics.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`L20.9`	Atopic dermatitis, unspecified	Common cause of chronic pruritus assessed with NRS/VRS/ItchyQuant; score guides severity-based therapy.
`L29.9`	Pruritus, unspecified	Directly maps to the symptom being quantified by the itch scales when no specific etiology is identified.
`L23.9`	Allergic contact dermatitis, unspecified cause	Contact dermatitis often presents with itch; assessment score informs treatment urgency.
`L30.9`	Dermatitis, unspecified	General dermatitis code used when specific subtype is unclear at initial assessment.
`B86`	Pediculosis (lice)	Infestation-related pruritus where assessment score documents symptom severity and treatment response.
`N99.0`	Postprocedural pruritus	Pruritus following procedures or exposures; itch scoring documents baseline severity for management.
`E78.5`	Hyperlipidemia, unspecified	Included as an example of systemic conditions sometimes associated with chronic pruritus; score aids in symptom-focused management.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99203`	Office or other outpatient visit for the evaluation and management of a new patient, typically 30 minutes	May be billed for the initial visit when the itch assessment is part of a new patient E/M encounter.
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	May be billed for follow-up visits where the itch score is reassessed and management adjusted.
`11100`	Biopsy of single skin lesion	Performed when the clinician identifies a lesion during exam that requires histologic diagnosis alongside the itch assessment.
`87070`	Culture, bacterial; any other source except urine, blood or stool, aerobic, with isolation and presumptive identification of isolates	Used when secondary infection is suspected in pruritic skin and cultures are indicated after the initial assessment.
`88305`	Surgical pathology, gross and microscopic examination	Used to report pathology interpretation of a skin biopsy obtained after the itch assessment indicates possible inflammatory or neoplastic disease.

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