A71.9 – Trachoma, unspecified
ICD-10-CM 2027 diagnosis code · Other diseases caused by chlamydiae
ICD-10-CM code
A71.9
- Code
A71.9(claims format:A719)- Description
- Trachoma, unspecified
- 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
- A70-A74 Other diseases caused by chlamydiae
- Parent codes
- A71
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A71 – Trachoma
Excludes1 (not coded here):
- sequelae of trachoma (B94.0)
Block A70-A74
Index terms for A71.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A71
Frequently asked questions
What is ICD-10 code A71.9?
A71.9 is the ICD-10-CM code for trachoma, unspecified, in the block A70-A74 (Other diseases caused by chlamydiae).
Is A71.9 a billable code?
Yes. A71.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A71.9 belong to?
It belongs to category A71 – Trachoma.
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.