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HCPCS Level II/M-Codes/M1451

M1451 HCPCS Level II Code: Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period

Medicare Coverage & Payment

  • Medicare coverage: Carrier judgment (CMS coverage code C)
  • Payment category: Service not separately priced (pricing indicator 00)
  • BETOS: Z2
  • Effective: January 1, 2026

Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.

Official Registry Overview & Definition

Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period is a HCPCS Level II code (M1451) for a Medicare-covered supply, service, or procedure. Short description: Pt dx ppd dur id/pf pd.

Nearest Codes in This Family

Official HCPCS Level II classifications closest to M1451 in its code family, with their registry titles.

  • M1446 — Patients who died any time prior to the end of the measure assessment period
  • M1447 — Patients with an active diagnosis of bipolar disorder any time prior to the end of the measure assessment period
  • M1448 — Patients with an active diagnosis of personality disorder any time prior to the end of the measure assessment period
  • M1449 — Patients with an active diagnosis of schizophrenia or psychotic disorder any time prior to the end of the measure assessment period
  • M1450 — Patients who received hospice or palliative care service any time during denominator identification period or the measure assessment period
  • M1452 — Patient ever had a diagnosis of dementia
  • M1453 — Patients with a pre-operative visual acuity better than 20/40
  • M1454 — New cied
  • M1455 — Replaced or revised cied
  • M1456 — Patient had a heart transplant