A27.9 – Leptospirosis, unspecified
ICD-10-CM 2027 diagnosis code · Certain zoonotic bacterial diseases
ICD-10-CM code
A27.9
- Code
A27.9(claims format:A279)- Description
- Leptospirosis, 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
- A20-A28 Certain zoonotic bacterial diseases
- Parent codes
- A27
Index terms for A27.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A27
Frequently asked questions
What is ICD-10 code A27.9?
A27.9 is the ICD-10-CM code for leptospirosis, unspecified, in the block A20-A28 (Certain zoonotic bacterial diseases).
Is A27.9 a billable code?
Yes. A27.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A27.9 belong to?
It belongs to category A27 – Leptospirosis.
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.