M1451 Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period

Short descriptor: Pt dx ppd dur id/pf pd

✓ Active HCPCS Level II 2026
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M1451 is the HCPCS Level II code for Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period (2026). It belongs to Section M — Medical Services. Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Not separately priced by Part B (indicator 00)
Type of Service
Medical care
Effective Date
2026-01-01
2026 Maintenance
Added this year

References

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Reference M1451 with the canonical source and edition:

M1451 — Patients with an active diagnosis of pervasive developmental disorder any time prior to the end of the measure assessment period. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/M1451

Canonical URL: https://icd10codingpro.com/hcpcs-codes/M1451

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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