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ICD-10-CM 2027 diagnosis code

J05.1Acute epiglottitis

Not billable — use a more specific code

J05.1 is a header code, so it can't be reported by itself. Choose one of the 2 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About J05.1

J05.1 is the ICD-10-CM diagnosis code for acute epiglottitis. It belongs to category J05 (acute obstructive laryngitis [croup] and epiglottitis), block J00-J06 (acute upper respiratory infections) and chapter 10 (diseases of the respiratory system). It is a header code, so it can't be reported by itself; one of its 2 subcodes must be used instead.

Within J05 (acute obstructive laryngitis [croup] and epiglottitis), J05.1 is specifically for acute epiglottitis. Related codes cover obstructive laryngitis [croup] (J05.0).

To report this condition, pick the subcode that matches the documentation: J05.10 (without obstruction) and J05.11 (with obstruction).

The conditions in its Excludes2 note aren't part of J05.1, but may be coded alongside it if the patient has both: epiglottitis, chronic (J37.0).

Use an additional code (B95-B97) to identify infectious agent.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under J05.1

Coding notes

Excludes2Not included here — may be reported together if both conditions exist
  • epiglottitis, chronic (J37.0)

Notes that apply from higher levels

Instructions written at a parent level also apply to J05.1.

› From J05 Acute obstructive laryngitis [croup] and epiglottitis
Use additional code
  • code (B95-B97) to identify infectious agent.
Code also
  • , influenza, if present, such as:
  • influenza due to identified novel influenza A virus with other respiratory manifestations (J09.X2)
  • influenza due to other identified influenza virus with other respiratory manifestations (J10.1)
  • influenza due to unidentified influenza virus with other respiratory manifestations (J11.1)

Broader instructions also apply from J00-J06 Acute upper respiratory infections and Chapter 10: Diseases of the respiratory system.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about J05.1

Is J05.1 billable?

No. J05.1 is a header code. Report one of its more specific subcodes instead.