Chapter
Number

ICD-10-CA
Chapter Title

Code Range

I

Certain infectious and parasitic diseases

A00–B99

II

Neoplasmse

C00–D48

III

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

D50–D89

IV

Endocrine, nutritional and metabolic diseases

E00–E90

V

Mental and behavioural disorders

F00–F99

VI

Diseases of the nervous system

G00–G99

VII

Diseases of the eye and adnexa

H00–H59

VIII

Diseases of the ear and mastoid process

H60–H95

IX

Diseases of the circulatory system

I00–I99

X

Diseases of the respiratory system

J00–J99

XI

Diseases of the digestive system

K00–K93

XII

Diseases of the skin and subcutaneous tissue

L00–L99

XIII

Diseases of the musculoskeletal system and connective tissue

M00–M99

XIV

Diseases of the genitourinary system

N00–N99

XV

Pregnancy, childbirth and the puerperium

O00–O99

XVI

Certain conditions originating in the perinatal period

P00–P96

XVII

Congenital malformations, deformations, and chromosomalabnormalities

Q00–Q99

XVIII

Symptoms, signs and abnormal clinical and laboratory findings not elsewhere classified

R00–R99

XIX

Injury, poisoning and certain other consequences of external causes

S00–T98

XX

External causes of morbidity and mortality

V01–Y98

XXI

Factors influencing health status and contact with health services

Z01–Z99

XXII

Morphology of Neoplasms

8000/0-9989/1

XXIII

Provisional codes for research and temporary assignment

U00-U99