ICD10BillableValid for clinical use

ICD-10 Code D37.05: Neoplasm of uncertain behavior of pharynx

D37.05 is a billable ICD-10 diagnosis code used to classify Neoplasm of uncertain behavior of pharynx in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. 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 pharynx in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

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.

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
category
D37.0Neoplasm of uncertain behavior of lip, oral cavity and pharynx
currentD37.0

Official coding notes

Inclusion terms
  • Neoplasm of uncertain behavior of aryepiglottic fold of pharynx NOS
  • Neoplasm of uncertain behavior of hypopharyngeal aspect of aryepiglottic fold of pharynx
  • Neoplasm of uncertain behavior of marginal zone of aryepiglottic fold of pharynx

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

OncologistGeneral Physician

Coding guidelines

Common synonyms

Neoplasm of uncertain behavior of pharynx

Frequently asked questions

Code details

CodeD37.05
SystemICD10
Display nameNeoplasm of uncertain behavior of pharynx
ChapterNeoplasms (C00-D49)
BlockNeoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Flags

BillableYes
Valid clinical useYes

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.