G9419 Documentation of medical reason(s) for not including the histological type or nsclc-nos classification with an explanation (e.g. specimen insufficient or non-diagnostic, specimen does not contain cancer, or other documented medical reasons)
Short descriptor: Med reas not incl histo type
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G9419 is the HCPCS Level II code for Documentation of medical reason(s) for not including the histological type or nsclc-nos classification with an explanation (e.g. specimen insufficient or non-diagnostic, specimen does not contain cancer, or other documented medical reasons) (2026). It belongs to Section G — Procedures / Professional Services (Temporary). 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
- 2022-01-01
- 2026 Maintenance
- No change this year
References
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Reference G9419 with the canonical source and edition:
G9419 — Documentation of medical reason(s) for not including the histological type or nsclc-nos classification with an explanation (e.g. specimen insufficient or non-diagnostic, specimen does not contain cancer, or other documented medical reasons). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9419
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