III.2.7 Sex

Definitions:

Transsexual: Surgically altered gender

Transgender: A person who identifies with or expresses a gender identity that differs from the one which corresponds to the person’s sex at birth.

Coding Instructions:

• Enter the appropriate code for the patient’s gender using the table below

• Code the natal sex (sex at birth) when known over transsexual or transgender, NOS

• Assign code 4 for transsexuals with unknown natal sex and primary sex is NOT C510-C589 or C600-C639

• Codes 5 and 6 may be used for cases diagnosed prior to 2015

• When patient’s gender is unknown:

• • Code to 1 when primary site IS C600-C639

  • Code to 2 when Primary site IS C510-C589

  • Code to 9 for primary sites not included above

• Text must be entered to support the coded sex field

• This is especially important in situations where the patient's first name is not a common male or female name or it is ambiguous with regard to gender

Codes:

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