M1414 Documentation of medical reason(s) for not performing the pd-l1 biomarker expression test prior to initiation of first-line immune checkpoint inhibitor therapy (e.g., patient is in an urgent or emergent situation where delay of treatment would jeopardize the patient's health status; other medical reasons/contraindication)

Short descriptor: Med rsn no pdl1 bef 1st ther

✓ Active HCPCS Level II 2026
Open M1414 in the app →

Look up M1414 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.

M1414 is the HCPCS Level II code for Documentation of medical reason(s) for not performing the pd-l1 biomarker expression test prior to initiation of first-line immune checkpoint inhibitor therapy (e.g., patient is in an urgent or emergent situation where delay of treatment would jeopardize the patient's health status; other medical reasons/contraindication) (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
2025-01-01
2026 Maintenance
No change this year

References

Cite This Page

Reference M1414 with the canonical source and edition:

M1414 — Documentation of medical reason(s) for not performing the pd-l1 biomarker expression test prior to initiation of first-line immune checkpoint inhibitor therapy (e.g., patient is in an urgent or emergent situation where delay of treatment would jeopardize the patient's health status; other medical reasons/contraindication). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/M1414

Canonical URL: https://icd10codingpro.com/hcpcs-codes/M1414

Related Codes in Section M

Browse all HCPCS Level II sections →
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

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial