ICD10

ICD-10 Code J04.3: Supraglottitis, unspecified

J04.3 is an ICD-10 diagnosis entry used to group records related to Supraglottitis, unspecified. 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 Diseases of the respiratory system (J00-J99).

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Diseases of the respiratory system (J00-J99).

When is it used?

  • May be used when a clinician documents supraglottitis, unspecified 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
10Diseases of the respiratory system (J00-J99)
block
J00-J06Acute upper respiratory infections
category
J04Acute laryngitis and tracheitis
currentJ04

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

PulmonologistGeneral Physician

Coding guidelines

Common synonyms

Supraglottitis, unspecifiedSupraglottitis

Frequently asked questions

Code details

CodeJ04.3
SystemICD10
Display nameSupraglottitis, unspecified
ChapterDiseases of the respiratory system (J00-J99)
BlockAcute upper respiratory infections

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.

ICD-10 Code J04.3 for Supraglottitis, unspecified | HealthAssure