ICD-10 Chapter XXI: Factors influencing health status and contact with health services

International Statistical Classification of Diseases and Related Health Problems 10th Revision
Chapter Blocks Title
I A00–B99 Certain infectious and parasitic diseases
II C00–D48 Neoplasms
III D50–D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
IV E00–E90 Endocrine, nutritional and metabolic diseases
V F00–F99 Mental and behavioural disorders
VI G00–G99 Diseases of the nervous system
VII H00–H59 Diseases of the eye and adnexa
VIII H60–H95 Diseases of the ear and mastoid process
IX I00–I99 Diseases of the circulatory system
X J00–J99 Diseases of the respiratory system
XI K00–K93 Diseases of the digestive system
XII L00–L99 Diseases of the skin and subcutaneous tissue
XIII M00–M99 Diseases of the musculoskeletal system and connective tissue
XIV N00–N99 Diseases of the genitourinary system
XV O00–O99 Pregnancy, childbirth and the puerperium
XVI P00–P96 Certain conditions originating in the perinatal period
XVII Q00–Q99 Congenital malformations, deformations and chromosomal abnormalities
XVIII R00–R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
XIX S00–T98 Injury, poisoning and certain other consequences of external causes
XX V01–Y98 External causes of morbidity and mortality
XXI Z00–Z99 Factors influencing health status and contact with health services
XXII U00–U99 Codes for special purposes

The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization (WHO).[1] This page contains ICD-10 Chapter XXI: Factors influencing health status and contact with health services.

Z codes typically represent the reason for which the encounter has taken place. A related procedure code should always accompany the diagnosis code, in case a procedure is performed. Categories Z00-Z99 are for occasions where situations other than a disease, external or internal injury, or other external cause of which is classifiable to categories A00-Y89 are recorded as one of the diagnoses or presenting problems. Such situation can arise from one of two ways:

Factors influencing health status and contact with health services

(Z00–Z13) Persons encountering health services for examination and investigation

(Z20–Z29) Persons with potential health hazards related to communicable diseases

(Z30–Z39) Persons encountering health services in circumstances related to reproduction

(Z40–Z54) Persons encountering health services for specific procedures and health care

(Z55–Z65) Persons with potential health hazards related to socioeconomic and psychosocial circumstances

(Z70–Z76) Persons encountering health services in other circumstances

(Z80–Z99) Persons with potential health hazards related to family and personal history and certain conditions influencing health status

See also

References

  1. ↑ WHO | International Classification of Diseases (ICD)
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