Is T21.37 a billable ICD-10-CM code?

No. T21.37 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T21.37 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions of external body surface, specified by site (T20-T25).

T21.37

T21.37 — Burn of third degree of female genital region

Non-billable headerICD-10-CM

T21.37 is a non-billable header ICD-10-CM code for burn of third degree of female genital region. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T21

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

burn of vagina (T28.3)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Burn of third degree of labium (majus) (minus)
Burn of third degree of perineum
Burn of third degree of vulva

Risk adjustment

T21.37 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

How T21.37 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T21.37.

Burn›genital organs›external›female›third degree

Code to one of these instead T21.37

3 child codes. Green means billable.

Related codes at this level

Codes that share T21.3. If T21.37 is not quite right, the correct code is usually one of these.

Questions about T21.37

Is T21.37 a billable ICD-10-CM code?: No. T21.37 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T21.37 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions of external body surface, specified by site (T20-T25).