A75
Non-billableTyphus fever
Typhus fever
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
A75-A79
Child Codes
5
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- rickettsiosis due to Ehrlichia sennetsu (A79.81)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code to identify resistance to antimicrobial drugs (Z16.-)
Child Codes (5)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code A75?
ICD-10-CM code A75 represents "Typhus fever". It is a non-billable header code — use a more specific child code for billing purposes.
Is A75 a billable code?
No, A75 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under A75.
What chapter is A75 in?
A75 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A75?
A75 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; rickettsiosis due to Ehrlichia sennetsu (A79.81).
What are the subcategories under A75?
A75 has 5 child codes, including: A75.0 (Epidemic louse-borne typhus fever d/t 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), and 1 more.
Are additional codes required with A75?
Yes, when using A75 you should also code: code to identify resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A75?
A75 is linked to 1 UMLS Concept Unique Identifier: C0041471. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.