J04.0 vs J05.0
J04.0 (Acute laryngitis) compared with J05.0 (Acute obstructive laryngitis [croup]), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. J04.0 carries an Excludes1 note covering J05.0: “acute obstructive laryngitis (J05.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. J04.0 carries an Excludes1 note covering J05.0: “acute obstructive laryngitis [croup] and epiglottitis (J05.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| J04.0Acute laryngitis | J05.0Acute obstructive laryngitis [croup] | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Acute laryngitis is a billable ICD-10-CM diagnosis code (J04.0). | Acute obstructive laryngitis [croup] is a billable ICD-10-CM diagnosis code (J05.0). |
| Includes | Edematous laryngitis (acute) Laryngitis (acute) NOS Subglottic laryngitis (acute) Suppurative laryngitis (acute) | Obstructive laryngitis (acute) NOS Obstructive laryngotracheitis NOS |
| Use additional code | code (B95-B97) to identify infectious agent. | code (B95-B97) to identify infectious agent. |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources