A75.0 – Epidemic louse-borne typhus fever due to Rickettsia prowazekii

ICD-10-CM 2027 diagnosis code · Rickettsioses

Billable code

ICD-10-CM code A75.0

Code: A75.0 (claims format: A750)
Description: Epidemic louse-borne typhus fever due to Rickettsia prowazekii
Short description: Epidemic louse-borne typhus fever d/t Rickettsia prowazekii
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: A75-A79 Rickettsioses
Parent codes: A75

Notes for A75.0

Applicable to:

Classical typhus (fever)
Epidemic (louse-borne) typhus

Notes inherited from parent codes

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

A75 – Typhus fever

Excludes1 (not coded here):

rickettsiosis due to Ehrlichia sennetsu (A79.81)

Index terms for A75.0

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

Related codes in A75

A75.1 – Recrudescent typhus [Brill's disease]Billable
A75.2 – Typhus fever due to Rickettsia typhiBillable
A75.3 – Typhus fever due to Rickettsia tsutsugamushiBillable
A75.9 – Typhus fever, unspecifiedBillable

Frequently asked questions

What is ICD-10 code A75.0?

A75.0 is the ICD-10-CM code for epidemic louse-borne typhus fever due to Rickettsia prowazekii, in the block A75-A79 (Rickettsioses).

Is A75.0 a billable code?

Yes. A75.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does A75.0 belong to?

It belongs to category A75 – Typhus fever.

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.