Summary & Overview
HCPCS M1200: ACE Inhibitor or ARB Therapy Prescribed During Measurement Period
HCPCS Level II code M1200 documents that an ACE inhibitor or ARB was prescribed during the measurement period. At a national level, this code captures a common pharmacologic intervention used in cardiology and primary care to manage hypertension, heart failure, and other cardiovascular conditions. Accurate capture of M1200 supports quality measurement, medication reconciliation, and continuity of care.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find contextual information on the clinical intent of the code, how it maps to service lines and typical ambulatory settings, and what is routinely tracked for performance measurement. The publication outlines expected use cases for M1200, common billing modifiers and administrative considerations (where available), and notes on documentation practices that affect coding capture.
This summary serves clinicians, billing professionals, and policy analysts seeking a concise reference to the clinical meaning and administrative role of HCPCS Level II code M1200 in national payment and quality measurement contexts. Data not available in the input for payer-specific rates, associated taxonomies, ICD-10 mappings, and related codes.
Billing Code Overview
HCPCS Level II code M1200 indicates ace inhibitor (ace-i) or arb therapy prescribed during the measurement period. This code represents documentation that a patient received a prescription for an angiotensin-converting enzyme inhibitor (ACE-I) or an angiotensin II receptor blocker (ARB) as part of clinical management during the measurement period.
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Service type: Prescription medication management / pharmacologic therapy
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Typical site of service: Outpatient clinic or ambulatory care setting where prescriptions are issued
Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 62-year-old adult with chronic hypertension and comorbid diabetes mellitus seen in primary care or a cardiology clinic. During the measurement period the clinician documents initiation or continuation of angiotensin-converting enzyme inhibitor (ACE-i) or angiotensin II receptor blocker (ARB) therapy for blood pressure control and for cardiovascular or renal protection. The workflow begins with a history and medication reconciliation, blood pressure measurement, review of renal function and potassium levels, and assessment of contraindications (pregnancy, bilateral renal artery stenosis, angioedema). The clinician prescribes an ACE-i or ARB, documents the medication name, dose, start date, and clinical indication in the medical record, and orders baseline or follow-up labs when indicated. The prescription may be provided electronically, on paper, or documented as an active medication in the electronic health record (EHR). Typical sites of service include outpatient primary care clinics, cardiology offices, nephrology clinics, and community health centers.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 |