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ICD10

ICD-10 Code D37.0: Neoplasm of uncertain behavior of lip, oral cavity and pharynx

D37.0 is an ICD-10 diagnosis entry used to group records related to Neoplasm of uncertain behavior of lip, oral cavity and pharynx. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents neoplasm of uncertain behavior of lip, oral cavity and pharynx in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
D37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
category
D37Neoplasm of uncertain behavior of oral cavity and digestive organs
currentD37

Official coding notes

Excludes1 (do not code together)
  • 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)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

OncologistGeneral Physician

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
D37.0
Replacement codes
D37.01 — Neoplasm of uncertain behavior of lipD37.02 — Neoplasm of uncertain behavior of tongueD37.04 — Neoplasm of uncertain behavior of the minor salivary glandsD37.05 — Neoplasm of uncertain behavior of pharynxD37.09 — Neoplasm of uncertain behavior of other specified sites of the oral cavity

Common synonyms

Neoplasm of uncertain behavior of lip, oral cavity and pharynx

Frequently asked questions

Code details

CodeD37.0
SystemICD10
Display nameNeoplasm of uncertain behavior of lip, oral cavity and pharynx
ChapterNeoplasms (C00-D49)
BlockNeoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.