T21.39XD — Burn of third degree of other site of trunk, subsequent encounter

Billable

Is T21.39XD billable?

Yes — T21.39XD is billable for FY2027. T21.39XD is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T21.39XD may be submitted for encounters from October 1, 2026 through September 30, 2027.

T21.39XD at a glance

Code	T21.39XD
Description	Burn of third degree of other site of trunk, subsequent encounter
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027
7th character "D"	subsequent encounter

What does the 7th character "D" mean in T21.39XD?

In T21.39XD, the 7th character D means subsequent encounter. The 7th character is required for T21.39XD to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does T21.39XD group to?

T21.39XD sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

949Aftercare with CC/MCCmedical
950Aftercare without CC/MCCmedical

How is T21.39XD listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T21.39, the nearest indexed parent of T21.39XD. Use them to find the family, then select the specific code.

Burn › trunk › specified site NEC › third degree (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)

Use additional code — inherited from Chapter 19

Report an additional code alongside T21.39XD to fully describe the condition. T21.39XD is sequenced first.

code to identify any retained foreign body, if applicable (Z18.-)

Use additional code — inherited from T20-T25

Report an additional code alongside T21.39XD to fully describe the condition. T21.39XD is sequenced first.

code from category T31 or T32 to identify extent of body surface involved

Use additional code — inherited from T21.3

Report an additional code alongside T21.39XD to fully describe the condition. T21.39XD is sequenced first.

external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of T21.39XD, but a patient may have both at the same time. When documentation supports it, T21.39XD and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from T21

The conditions below are not part of T21.39XD, but a patient may have both at the same time. When documentation supports it, T21.39XD and the excluded code may both be reported.

burns and corrosion of axilla (T22.- with fifth character 4)
burns and corrosion of scapular region (T22.- with fifth character 6)
burns and corrosion of shoulder (T22.- with fifth character 5)

How long has T21.39XD existed?

T21.39XD has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.