All chapters

Chapter 9 · I00I99 · 1798 codes

Diseases of the circulatory system

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

I00

I01

I02

I05

I06

I07

I08

I09

I10

I11

I12

I13

I15

I16

I1A

I20

I21

I22

I23

I24

I25

I26

I27

I28

I30

I31

I32

I33

I34

I35

I36

I37

I38

I39

I40

I41

I42

I43

I44

I45

I46

I47

I48

I49

I50

I51

I52

I5A

I60

I61

I62

I63

I65

I66

I67

I68

I69

I70

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.