T23.342S — Burn of third degree of multiple left fingers (nail), including thumb, sequela

Billable

Is T23.342S billable?

Yes — T23.342S is billable for FY2027. T23.342S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T23.342S may be submitted for encounters from October 1, 2026 through September 30, 2027.

T23.342S at a glance

Code	T23.342S
Description	Burn of third degree of multiple left fingers (nail), including thumb, sequela
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027
7th character "S"	sequela

What does the 7th character "S" mean in T23.342S?

In T23.342S, the 7th character S means sequela. The 7th character is required for T23.342S to be a valid, complete code.

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

Which MS-DRGs does T23.342S group to?

T23.342S sits in MDC 09 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.

604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical

How is T23.342S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under T23.342, the nearest indexed parent of T23.342S. Use them to find the family, then select the specific code.

Burn › thumb › multiple sites with fingers › left › third degree (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
Burn › finger › multiple sites › with thumb › left › 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 T23.342S to fully describe the condition. T23.342S 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 T23.342S to fully describe the condition. T23.342S is sequenced first.

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

Use additional code — inherited from T23.3

Report an additional code alongside T23.342S to fully describe the condition. T23.342S 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 T23.342S, but a patient may have both at the same time. When documentation supports it, T23.342S and the excluded code may both be reported.

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

How long has T23.342S existed?

T23.342S 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.