ICD 10 codes organized list

ICD 10 codes are organized in 22 chapters as listed below:
  • 1: A00-B99 - Certain infectious and parasitic diseases
  • 2: C00-D48 - Neoplasms
  • 3: D50-D89 - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
  • 4: E00-E90 - Endocrine, nutritional and metabolic diseases
  • 5: F01-F99 - Mental and behavioral 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-K93 - 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-O99 - Congenital malformations, deformations and chromosomal abnormalities
  • 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-T98 - Injury, poisoning and certain other consequences of external causes
  • 20: V01-Y98 - External causes of morbidity and mortality
  • 21: Z00-Z99 - Factors influencing health status and contact with health services
  • 22: U00-U99 - Codes for special purposes

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