J05
Non-billableAcute obstructive laryngitis [croup] and epiglottitis
J05 is the ICD-10-CM code for Acute obstructive laryngitis [croup] and epiglottitis. It is a non-billable category code — use a more specific child code such as J05.0 for billing.
- Status
- Header (non-billable)
- Chapter
- J00-J99
- Subcodes
- 2
- Edition
- FY2026
J00-J99 Diseases of the respiratory system
What this means — in plain language
MedlinePlus · NIHCroup is an inflammation of the vocal cords (larynx) and windpipe (trachea). It causes difficulty breathing, a barking cough, and a hoarse voice. The cause is usually a virus, often parainfluenza virus . Other causes include allergies and reflux . Croup often starts out like a cold. But then the vocal cords and windpipe become swollen, causing the hoarseness and the cough. There may also be a fever and high-pitched…
Read more about Croup at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Notes
- •, 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)
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
Look up another ICD-10 code or condition