Block · Chapter 1
A20-A28 Certain zoonotic bacterial diseases (A20-A28)
Block A20-A28 groups 9 categories with 47 billable codes in FY2027.
Where it sits
- Chapter 1 Certain infectious and parasitic diseases (A00-B99)
- A20-A28 Certain zoonotic bacterial diseases (A20-A28)
Neighbouring blocks
- Categories
- 9
- Billable codes
- 47
- CC codes
- 29
- MCC codes
- 11
- HCC V28 codes
- 3
- New FY2027
- 0
Categories in A20-A28
Index main terms
- Infection, infected, infective (opportunistic) → A23, A24, A25, A27, A28 (32 entries)
- Tularemia → A21 (20 entries)
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) → A23, A25, A27, A28 (16 entries)
- Disease, diseased → A22, A23, A27, A28 (15 entries)
- Plague → A20 (15 entries)
- Anthrax → A22 (13 entries)
- Melioidosis → A24 (11 entries)
- Brucellosis (infection) → A23 (10 entries)
- Spondylitis (chronic) → A23 (10 entries)
- Jaundice (yellow) → A27 (9 entries)
- Sepsis (generalized) (unspecified organism) → A20, A21, A22, A23, A24, A26, A28 (9 entries)
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) → A20, A21, A22, A24 (7 entries)
- Leptospirosis → A27 (6 entries)
- Erysipeloid → A26 (5 entries)
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) → A24, A25 (4 entries)
+62 more main terms; the search box finds them by word.
Block instructions
Notes that also apply
Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.