D37.0 Neoplasm of uncertain behavior of lip, oral cavity and pharynx

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Neoplasm of uncertain behavior of lip, oral cavity and pharynx is D37.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
D37-D48: Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
Category D37
20 codes (17 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with D37.0.
  • neoplasm of uncertain behavior of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D38.0)
  • neoplasm of uncertain behavior of epiglottis NOS (D38.0)
  • neoplasm of uncertain behavior of skin of lip (D48.5)
  • neoplasm of uncertain behavior of suprahyoid portion of epiglottis (D38.0)

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

D37 Neoplasm of uncertain behavior of oral cavity and digestive organs

More Specific Codes

Related Codes in D37

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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: 2025-10-01

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