ICD-10-CM A75: Typhus fever

ICD-10-CM Diagnosis Code (2025)

Official Description for A75

Typhus fever

Coding Notes & Guidelines for A75

Excludes1: Not Coded Here

rickettsiosis due to Ehrlichia sennetsu (A79.81)

Inclusion Terms
  • Classical typhus (fever)
  • Epidemic (louse-borne) typhus
Inclusion Terms

Brill-Zinsser disease

Inclusion Terms

Murine (flea-borne) typhus

Inclusion Terms
  • Scrub (mite-borne) typhus
  • Tsutsugamushi fever
  • Typhus fever due to Orientia Tsutsugamushi (scrub typhus)
Inclusion Terms

Typhus (fever) NOS

Child Codes (More Specific Codes for A75):

A75.0 - Epidemic louse-borne typhus fever due to Rickettsia prowazekii A75.1 - Recrudescent typhus [Brill's disease] A75.2 - Typhus fever due to Rickettsia typhi A75.3 - Typhus fever due to Rickettsia tsutsugamushi A75.9 - Typhus fever, unspecified

About ICD-10-CM Code A75 (Typhus fever)

ICD-10-CM code A75 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM A75 became effective on October 1, 2024.

This page provides detailed information about A75 - Typhus fever. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Typhus fever.