T21.17XD vs T28.3

T21.17XD (Burn of first degree of female genital region, subsequent encounter) compared with T28.3 (Burn of internal genitourinary organs), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. T21.17XD carries an Excludes2 note covering T28.3: “burn of vagina (T28.3)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	T21.17XDBurn of first degree of female genital region, subsequent encounter	T28.3Burn of internal genitourinary organs
Billing status	Billable	Non-billable header
Classification	S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)	S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
Definition	Burn of first degree of female genital region, subsequent encounter is a billable ICD-10-CM diagnosis code (T21.17D).	Burn of internal genitourinary organs is a non-billable ICD-10-CM category code (T28.3).
7th character	The appropriate 7th character is to be added to each code from category T21	The appropriate 7th character is to be added to each code from category T28
Includes	burns and corrosion of hip region burns and corrosions of first degree [erythema] burns and corrosions of second degree [blisters][epidermal loss] burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]	—
Use additional code	external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) code from category T31 or T32 to identify extent of body surface involved	external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98) external cause code to identify place (Y92)

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources