U.S. ICD-10-CM · FY 2027

Q38.1 ICD-10-CM Code: Ankyloglossia

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

Q38.1

Ankyloglossia

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where Q38.1 sits

  1. 1

    Chapter 17

    Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)

  2. 2

    Section

    Other congenital malformations of the digestive system (Q38-Q45)

  3. 3

    Category Q38

    Other congenital malformations of tongue, mouth and pharynx

  4. 4

    Code Q38.1

    Ankyloglossia

Documentation details

Notes for this code

Inclusion terms

  • Tongue tie

Code first

No “code first” instruction is listed for Q38.1.

Use additional code

No “use additional code” instruction is listed for Q38.1.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for Q38.1.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for Q38.1.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code Q38.1 mean?

Q38.1 is the FY 2027 U.S. ICD-10-CM code for “Ankyloglossia.”

Is Q38.1 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, Q38.1 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is Q38.1 located in ICD-10-CM?

Q38.1 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Other congenital malformations of the digestive system (Q38-Q45) (Q38–Q45), under category Q38, Other congenital malformations of tongue, mouth and pharynx.

What coding notes are listed for Q38.1?

Its listed inclusion terms are Tongue tie. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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