Q38.1 Ankyloglossia

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Tongue tie

Applies from Q38 Other congenital malformations of tongue, mouth and pharynx

Excludes1 (never code together)

• dentofacial anomalies (M26.-)
• macrostomia (Q18.4)
• microstomia (Q18.5)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 750.0 Tongue tie

Diagnosis Index entries for Q38.1

• Ankyloglossia
• Frenum, frenulum › tongue (shortening) (congenital)
• Malformation (congenital) › tongue (congenital) › tie
• Short, shortening, shortness › frenum, frenulum, linguae (congenital)
• Syndrome › ankyloglossia superior
• Tongue › tie

Nearby codes

• Q38 Other congenital malformations of tongue, mouth and pharynx
• Q38.0 Congenital malformations of lips, not elsewhere classified
• Q38.1 Ankyloglossia (this code)
• Q38.2 Macroglossia
• Q38.3 Other congenital malformations of tongue
• Q38.4 Congenital malformations of salivary glands and ducts
• Q38.5 Congenital malformations of palate, not elsewhere classified
• Q38.6 Other congenital malformations of mouth