All chapters

Chapter 1 · A00B99 · 1309 codes

Certain infectious and parasitic diseases

Every ICD-10-CM 2026 code in this chapter, grouped by 3-character category. Click any code for its full description and coding context.

A00

A01

A02

A03

A04

A05

A06

A07

A08

A09

A15

A17

A18

A19

A20

A21

A22

A23

A24

A25

A26

A27

A28

A30

A31

A32

A33

A34

A35

A36

A37

A38

A39

A40

A41

A42

A43

A44

A46

A48

A49

A50

A51

A52

A53

A54

A55

A56

A57

A58

A59

A60

A63

A64

A65

A66

A67

A68

A69

A70

A71

A74

A75

A77

A78

A79

A80

A81

A82

A83

A84

A85

A86

A87

A88

A89

A90

A91

A92

A93

A94

A95

A96

A98

A99

B00

B01

B02

B03

B04

B05

B06

B07

B08

B09

B10

B15

B16

B17

B18

B19

B20

B25

B26

B27

B30

B33

B34

B35

B36

B37

B38

B39

B40

B41

B42

B43

B44

Want to learn how coders actually use these?

Medita — 90-day medical coding course.

Day 1 is free. Built for the CPC, CCA, and CCS certification exams. See the curriculum before signing up.