A75: Typhus fever
Codes under A75 (Typhus fever). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| A75.0 | Epidemic louse-borne typhus fever due to Rickettsia prowazekii | ✓ |
| A75.0 | Epidemic louse-borne typhus fever due to Rickettsia prowazekii | ✓ |
| A75.1 | Recrudescent typhus [Brill's disease] | ✓ |
| A75.1 | Recrudescent typhus [Brill's disease] | ✓ |
| A75.2 | Typhus fever due to Rickettsia typhi | ✓ |
| A75.2 | Typhus fever due to Rickettsia typhi | ✓ |
| A75.3 | Typhus fever due to Rickettsia tsutsugamushi | ✓ |
| A75.3 | Typhus fever due to Rickettsia tsutsugamushi | ✓ |
| A75.9 | Typhus fever, unspecified | ✓ |
| A75.9 | Typhus fever, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code A75?
A75 is an ICD-10-CM category covering Typhus fever. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is A75 a billable code?
No — A75 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example A75.0 — Epidemic louse-borne typhus fever due to Rickettsia prowazekii). 10 of the 10 codes under A75 are billable.
What codes fall under A75?
A75 includes A75.0, A75.0, A75.1, A75.1, A75.2, plus 5 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free