Block · Chapter 1

A75-A79 Rickettsioses (A75-A79)

Block A75-A79 groups 4 categories with 21 billable codes in FY2027.

Where it sits

Neighbouring blocks

Categories in A75-A79

A75
Typhus fever
Tabardillo → A75.9
- 5 billable codes
- 5 CC
A77
Spotted fever [tick-borne rickettsioses]
Kenya fever → A77.1
- 9 billable codes
- 9 CC
A78
Q fever
Q fever → A78
- Billable, no subdivisions
- 1 CC
A79
Other rickettsioses
Quintan fever → A79.0
- 6 billable codes
- 6 CC

Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) → A75, A77, A78, A79 (49 entries)
Typhus (fever) → A75, A77 (35 entries)
Disease, diseased → A75, A77, A79 (13 entries)
Infection, infected, infective (opportunistic) → A75, A77, A78, A79 (11 entries)
Rickettsiosis → A77, A79 (7 entries)
Ehrlichiosis → A77, A79 (6 entries)
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) → A78 (3 entries)
Tabardillo → A75 (3 entries)
Anaplasmosis [A. phagocytophilum] (transfusion transmitted) → A77, A79 (2 entries)
Mediterranean → A77 (2 entries)
Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) → A75 (2 entries)
Q fever → A78 (2 entries)
Rickettsial disease → A79 (2 entries)
Angiomatosis → A79 (1 entry)
Australian → A78 (1 entry)

+33 more main terms; the search box finds them by word.

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.