AHA Coding Clinic® for ICD-9 - 2005 Issue 4; VOLUMES 1 AND 2 NEW/REVISED CODES

Androgen Insensitivity Syndrome

Effective October 1, 2005, a new code has been created to uniquely identify androgen insensitivity syndrome (259.5). Androgen insensitivity syndrome (AIS), the current preferred term for the disorder previously designated testicular feminization, is a condition that affects sexual development before birth and during puberty. It is an X-linked recessive condition resulting in a failure of normal masculinization of the external genitalia in chromosomally male individuals. These individuals have an XY chromosome genotype. Androgen insensitivity syndrome generally occurs due to a genetic abnormality of the androgen receptor and can be either complete (CAIS) or partial (PAIS). It occurs when...

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