Table 1.

ICD-9 and ICD-10 Codes

Description	ICD-9/ICD-10 Code
Transgender cohort
Transsexualism with unspecified sexual history	302.50
Transsexualism with asexual history	302/51
Transsexualism with homosexual history	302.52
Transsexualism with heterosexual history	302.53
Gender identity disorder in children	302.6
Gender identity disorder in adolescents or adults	302.85
Transsexualism	F64.0
Gender identity disorder in adults	F64.1
Gender identity disorder in children	F64.2
Other gender identity disorders	F64.8
Gender identity disorder, unspecified	F64.9
Cisgender cohort
Plastic surgery for unacceptable cosmetic appearance	V50.1
Encounter for other procedures for purposes other than remedying health state	Z41.0
Encounter for cosmetic surgery	Z41.1