ICD10BillableValid for clinical use

ICD-10 Code S27.329: Contusion of lung, unspecified

S27.329 is a billable ICD-10 diagnosis code used to classify Contusion of lung, unspecified 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 contusion of lung, unspecified 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
S20-S29Injuries to the thorax
category
S27Injury of other and unspecified intrathoracic organs
category
S27.3Other and unspecified injuries of lung
category
S27.32Contusion of lung
currentS27.32

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 SpecialistPulmonologist

Coding guidelines

Common synonyms

Contusion of lung, unspecifiedContusion of lung

Frequently asked questions

Code details

CodeS27.329
SystemICD10
Display nameContusion of lung, unspecified
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockInjuries to the thorax

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Contusion(skin surface intact)Injury

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 S27.329 for Contusion of lung, unspecified | HealthAssure