A64 ICD-10-CM Code: Unspecified sexually transmitted disease
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
A64Unspecified sexually transmitted disease
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where A64 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Infections with a predominantly sexual mode of transmission (A50-A64)
- 3
Category A64
Unspecified sexually transmitted disease
- 4
Code A64
Unspecified sexually transmitted disease
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for A64.
Code first
No “code first” instruction is listed for A64.
Use additional code
No “use additional code” instruction is listed for A64.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for A64.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for A64.
Transparency
Source and release
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 sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code A64 mean?
A64 is the FY 2027 U.S. ICD-10-CM code for “Unspecified sexually transmitted disease.”
Is A64 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, A64 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 A64 located in ICD-10-CM?
A64 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 A64, Unspecified sexually transmitted disease.
What coding notes are listed for A64?
No inclusion terms are listed for A64 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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