A30.4 – Borderline lepromatous leprosy
ICD-10-CM 2027 diagnosis code · Other bacterial diseases
ICD-10-CM code
A30.4
- Code
A30.4(claims format:A304)- Description
- Borderline lepromatous leprosy
- 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
- A30-A49 Other bacterial diseases
- Parent codes
- A30
Notes for A30.4
Applicable to:
- BL leprosy
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
A30 – Leprosy [Hansen's disease]
Includes:
- infection due to Mycobacterium leprae
Excludes1 (not coded here):
- sequelae of leprosy (B92)
Index terms for A30.4
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in A30
- A30.0 – Indeterminate leprosyBillable
- A30.1 – Tuberculoid leprosyBillable
- A30.2 – Borderline tuberculoid leprosyBillable
- A30.3 – Borderline leprosyBillable
- A30.5 – Lepromatous leprosyBillable
- A30.8 – Other forms of leprosyBillable
- A30.9 – Leprosy, unspecifiedBillable
Frequently asked questions
What is ICD-10 code A30.4?
A30.4 is the ICD-10-CM code for borderline lepromatous leprosy, in the block A30-A49 (Other bacterial diseases).
Is A30.4 a billable code?
Yes. A30.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does A30.4 belong to?
It belongs to category A30 – Leprosy [Hansen's disease].
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.