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Description

ICD-10-CM Chapters

The 2016 edition of the ICD-10-CM is divided into 21 chapters, based on the subject of the ICD codes each chapter contains. Each chapter is identified by a chapter number and description. The set of ICD codes contained in each chapter is specified by a range showing the first three digits of the code range included.

Chapter Code Range Description
1 A00-B99 Certain infectious and parasitic diseases
2 C00-D49 Neoplasms
3 D50-D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
4 E00-E89 Endocrine, nutritional and metabolic diseases
5 F01-F99 Mental, Behavioral and Neurodevelopmental disorders
6 G00-G99 Diseases of the nervous system
7 H00-H59 Diseases of the eye and adnexa
8 H60-H95 Diseases of the ear and mastoid process
9 I00-I99 Diseases of the circulatory system
10 J00-J99 Diseases of the respiratory system
11 K00-K95 Diseases of the digestive system
12 L00-L99 Diseases of the skin and subcutaneous tissue
13 M00-M99 Diseases of the musculoskeletal system and connective tissue
14 N00-N99 Diseases of the genitourinary system
15 O00-O9A Pregnancy, childbirth and the puerperium
16 P00-P96 Certain conditions originating in the perinatal period
17 Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
18 R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
19 S00-T88 Injury, poisoning and certain other consequences of external causes
20 V00-Y99 External causes of morbidity
21 Z00-Z99 Factors influencing health status and contact with health services

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm