A63.8 – Other specified predominantly sexually transmitted diseases

ICD-10-CM 2027 diagnosis code · Infections with a predominantly sexual mode of transmission

Billable code

ICD-10-CM code A63.8

Code: A63.8 (claims format: A638)
Description: Other specified predominantly sexually transmitted diseases
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: A50-A64 Infections with a predominantly sexual mode of transmission
Parent codes: A63

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

A63 – Other predominantly sexually transmitted diseases, not elsewhere classified

Excludes2 (not included here):

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

Block A50-A64

Excludes1 (not coded here):

nonspecific and nongonococcal urethritis (N34.1)
Reiter's disease (M02.3-)

Excludes2 (not included here):

human immunodeficiency virus [HIV] disease (B20)

Index terms for A63.8

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in A63

A63.0 – Anogenital (venereal) wartsBillable

Frequently asked questions

What is ICD-10 code A63.8?

A63.8 is the ICD-10-CM code for other specified predominantly sexually transmitted diseases, in the block A50-A64 (Infections with a predominantly sexual mode of transmission).

Is A63.8 a billable code?

Yes. A63.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A63.8 belong to?

It belongs to category A63 – Other predominantly sexually transmitted diseases, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.