ICD10BillableValid for clinical use

ICD-10 Code T21.15: Burn of first degree of buttock

T21.15 is a billable ICD-10 diagnosis code used to classify Burn of first degree of buttock 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 Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents burn of first degree of buttock 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
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T20-T32Burns and corrosions
block
T20-T25Burns and corrosions of external body surface, specified by site
category
T21Burn and corrosion of trunk
category
T21.1Burn of first degree of trunk
currentT21.1

Official coding notes

Inclusion terms
  • Burn of first degree of anus

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

Emergency Medicine SpecialistOrthopedic Specialist

Coding guidelines

Common synonyms

Burn of first degree of buttock

Frequently asked questions

Code details

CodeT21.15
SystemICD10
Display nameBurn of first degree of buttock
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockBurns and corrosions of external body surface, specified by site

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Burn(electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)

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.

ICD-10 Code T21.15 for Burn of first degree of buttock | HealthAssure