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Q38.1 — Ankyloglossia
Q38.1
What this code means
Ankyloglossia (tongue-tie) is a short band under the tongue restricting its movement, present from birth.
Also called: tongue tie, ankyloglossia.
When this code is used
Used for ankyloglossia.
Where it sits in ICD-10-CM
Code Q38.1 belongs to Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders, which covers codes Q00–QA1 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Watch: related videos
Frequently asked questions
What is ICD-10-CM code Q38.1?
Q38.1 is the ICD-10-CM diagnosis code for “Ankyloglossia”. Ankyloglossia (tongue-tie) is a short band under the tongue restricting its movement, present from birth.
When is code Q38.1 used?
Used for ankyloglossia. It belongs to Chapter 17 of ICD-10-CM (Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.