U.S. ICD-10-CM · FY 2027

A63 ICD-10-CM Code: Other predominantly sexually transmitted diseases, not elsewhere classified

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

Code definition

Official description

A63

Other predominantly sexually transmitted diseases, not elsewhere classified

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

Classification

Where A63 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Infections with a predominantly sexual mode of transmission (A50-A64)

  3. 3

    Category A63

    Other predominantly sexually transmitted diseases, not elsewhere classified

  4. 4

    Code A63

    Other predominantly sexually transmitted diseases, not elsewhere classified

More specific choices

Codes under A63

A63 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A63.

Code first

No “code first” instruction is listed for A63.

Use additional code

No “use additional code” instruction is listed for A63.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for A63.

Excludes2

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

  • molluscum contagiosum (B08.1)
  • papilloma of cervix (D26.0)

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 A63 mean?

A63 is the FY 2027 U.S. ICD-10-CM code for “Other predominantly sexually transmitted diseases, not elsewhere classified.”

Is A63 a billable or specific ICD-10-CM code?

No. A63 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is A63 located in ICD-10-CM?

A63 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Infections with a predominantly sexual mode of transmission (A50-A64) (A50–A64), under category A63, Other predominantly sexually transmitted diseases, not elsewhere classified.

What coding notes are listed for A63?

No inclusion terms are listed for A63 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: molluscum contagiosum (B08.1); papilloma of cervix (D26.0).

Ready to transform your clinical documentation?

Join Vero and see how effortless documentation can be.

  • No credit card required

  • Cancel anytime