HCPCS Code M1451

Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period
Code effective Jan 01, 2026

HCPCS Section
Medical services

M1451 is a valid 2026 HCPCS code meaning Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period or (Pt dx ppd dur id/pf pd) for short. HCPCS M1451 has been effective since 01/01/2026 and applies to Medical care.

HCPCS Code Details - M1451

HCPCS Level II Code
Section M - Medical services
HCPCS Code M1451
Description

Long description:
Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period

Short description:
Pt dx ppd dur id/pf pd

HCPCS Pricing indicator 00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
Multiple pricing indicator 9 - Not applicable as HCPCS not priced separately by part B or value is not established
Coverage code C - Carrier judgment
BETOS2 code Z2 - Undefined codes
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jan 01, 2026
Date added Added Jan 01, 2026

See also

  • HCPCS M1450 · Patients who received hospice or palliative care service any time during denominator identification period or the measure assessment period

  • HCPCS M1018 · Patients with an active diagnosis or history of cancer (except basal cell and squamous cell skin carcinoma), patients who are heavy tobacco smokers, lung cancer screening patients

  • HCPCS M1192 · Patients with an existing diagnosis of squamous cell carcinoma of the esophagus

  • HCPCS M1386 · Patients with an excisional surgery for melanoma or melanoma in situ in the past 5 years with an initial ajcc staging of 0, i, or ii at the start of the performance period

  • HCPCS M1447 · Patients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment period

  • HCPCS M1448 · Patients with an active diagnosis of personality disorder any time prior to the end of the measure assessment period

  • HCPCS M1449 · Patients with an active diagnosis of schizophrenia or psychotic disorder any time prior to the end of the measure assessment period

  • HCPCS M1467 · Patients with an existing diagnosis of lynch syndrome

  • HCPCS M1452 · Patient ever had a diagnosis of dementia

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.