ICD-10-CM > J00-J99 > J30-J39 > J38 > J38.4 J38.4 Edema of larynx Billable/Specific Copy Code Copy Description Applicable To Edema (of) glottisSubglottic edemaSupraglottic edema Type 1 Excludes acute obstructive laryngitis [croup] (J05.0)edematous laryngitis (J04.0)