Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

M1478 Psychoactive sub abuse

M Codes

Also known as: Substance abuse history, Drug/alcohol abuse

Patient has a history of psychoactive substance abuse documented in the medical record.

In Plain Language

Drug or alcohol abuse history

Clinical Context

Documents patients with substance use disorder history. Important for quality measures, rehabilitation planning, and identifying patients at risk for relapse.

RVU Information

CPT M1478 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.

Billing & Documentation

M-codes cover quality measures and performance reporting. They are used in value-based care programs to track whether specific clinical actions were taken. Documentation must support that the measured action was performed or a valid exclusion applies.

Specialties

PsychiatryAddiction MedicineInternal Medicine

Frequently Asked Questions

What is CPT code M1478?

CPT M1478 (Psychoactive sub abuse) is a M Codes code. Patient has a history of psychoactive substance abuse documented in the medical record.

Is M1478 covered by insurance?

M1478 is a temporary HCPCS code. Coverage varies by payer and may change when permanent codes are assigned. Documents patients with substance use disorder history. Important for quality measures, rehabilitation planning, and identifying patients at risk for relapse.

When is CPT M1478 used?

Documents patients with substance use disorder history. Important for quality measures, rehabilitation planning, and identifying patients at risk for relapse.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.