Is T27 a billable ICD-10-CM code?

No. T27 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T27 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions confined to eye and internal organs (T26-T28).

T27

T27 — Burn and corrosion of respiratory tract

Non-billable headerICD-10-CM

T27 is a non-billable header ICD-10-CM code for burn and corrosion of respiratory tract. 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 T27

A: initial encounter
D: subsequent encounter
S: sequela

Use additional code

Add a secondary code to capture the detail described below.

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)

Risk adjustment

T27 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.

Code to one of these instead T27

8 child codes. Green means billable.

Questions about T27

Is T27 a billable ICD-10-CM code?: No. T27 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T27 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions confined to eye and internal organs (T26-T28).