ICDcodes.org
FY2027

S56.392SOther injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela

Billable

Is S56.392S billable?

Yes — S56.392S is billable for FY2027. S56.392S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S56.392S may be submitted for encounters from October 1, 2026 through September 30, 2027.

S56.392S at a glance

CodeS56.392S
DescriptionOther injury of extensor or abductor muscles, fascia and tendons of left thumb at forearm level, sequela
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "S"sequela

What does the 7th character "S" mean in S56.392S?

In S56.392S, the 7th character S means sequela. The 7th character is required for S56.392S to be a valid, complete code.

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

Which MS-DRGs does S56.392S group to?

S56.392S sits in MDC 21 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.

  • 913Traumatic Injury with MCCmedical
  • 914Traumatic Injury without MCCmedical

How is S56.392S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S56.39, the nearest indexed parent of S56.392S. Use them to find the family, then select the specific code.

  • Injurymusclethumbabductorspecified type NEC
  • Injurymusclethumbextensorspecified type NEC

Use additional code — inherited from Chapter 19

Report an additional code alongside S56.392S to fully describe the condition. S56.392S is sequenced first.

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

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S56.392S, but a patient may have both at the same time. When documentation supports it, S56.392S and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S50-S59

The conditions below are not part of S56.392S, but a patient may have both at the same time. When documentation supports it, S56.392S and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of wrist and hand (S60-S69)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S56

The conditions below are not part of S56.392S, but a patient may have both at the same time. When documentation supports it, S56.392S and the excluded code may both be reported.

  • injury of muscle, fascia and tendon at or below wrist (S66.-)
  • sprain of joints and ligaments of elbow (S53.4-)

Code also — inherited from S56

Two codes may be needed to describe the condition fully. Whether S56.392S is sequenced first depends on the reason for the encounter.

  • any associated open wound (S51.-)

How long has S56.392S existed?

S56.392S 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.