J04.0 Acute laryngitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Edematous laryngitis (acute)
• Laryngitis (acute) NOS
• Subglottic laryngitis (acute)
• Suppurative laryngitis (acute)
• Ulcerative laryngitis (acute)

Excludes1 (never code together)

• acute obstructive laryngitis (J05.0)

Excludes2 (not included here)

• chronic laryngitis (J37.0)

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)

• 464.00 Acute laryngitis without mention of obstruction

Code annotations containing back-references to J04.0

Back-references to J04.0

• Type 2 Excludes: J37.0 Chronic laryngitis ("acute laryngitis (J04.0)")
• Type 1 Excludes: J38 Diseases of vocal cords and larynx, not elsewhere classified ("ulcerative laryngitis (J04.0)")
• Type 1 Excludes: J38.4 Edema of larynx ("edematous laryngitis (J04.0)")

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 J04.0

• Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) › laryngitis
• Glottitis
• Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative)
• Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) › Hemophilus influenzae
• Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) › H. influenzae
• Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) › spasmodic › acute
• Laryngitis (acute) (edematous) (fibrinous) (infective) (infiltrative) (malignant) (membranous) (phlegmonous) (pneumococcal) (pseudomembranous) (septic) (subglottic) (suppurative) (ulcerative) › streptococcal

Nearby codes

• J04 Acute laryngitis and tracheitis
• J04.0 Acute laryngitis (this code)
• J04.1 Acute tracheitis
• J04.10 Acute tracheitis without obstruction
• J04.11 Acute tracheitis with obstruction
• J04.2 Acute laryngotracheitis
• J04.3 Supraglottitis, unspecified