J04.31 Supraglottitis, unspecified, with obstruction

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from J04 Acute laryngitis and tracheitis

Excludes1 (never code together)

• acute obstructive laryngitis [croup] and epiglottitis (J05.-)

Excludes2 (not included here)

• laryngismus (stridulus) (J38.5)

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)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 464.51 Supraglottitis unspecified, with obstruction

Code annotations containing back-references to J04.31

Back-references to J04

• Code Also: D81.82 Activated Phosphoinositide 3-kinase Delta Syndrome [APDS] ("other acute respiratory tract infections (J00-J06; J20-J22)")

Diagnosis Index entries for J04.31

• Supraglottitis › with obstruction

Nearby codes

• J04.10 Acute tracheitis without obstruction
• J04.11 Acute tracheitis with obstruction
• J04.2 Acute laryngotracheitis
• J04.3 Supraglottitis, unspecified
• J04.30 Supraglottitis, unspecified, without obstruction
• J04.31 Supraglottitis, unspecified, with obstruction (this code)