ICDcodes.org
FY2027

S56.491 — Other injury of extensor muscle, fascia and tendon of right index finger at forearm level

Not billable

Is S56.491 billable?

No — S56.491 is a non-billable header code. S56.491 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S56.491.

S56.491 at a glance

CodeS56.491
DescriptionOther injury of extensor muscle, fascia and tendon of right index finger at forearm level
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S56.491 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S56.49, the nearest indexed parent of S56.491. Use them to find the family, then select the specific code.

  • Injury › muscle › finger › little › extensor › specified type NEC
  • Injury › muscle › finger › middle › extensor › specified type NEC
  • Injury › muscle › finger › ring › extensor › specified type NEC

Use additional code — inherited from Chapter 19

Report an additional code alongside S56.491 to fully describe the condition. S56.491 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 S56.491, but a patient may have both at the same time. When documentation supports it, S56.491 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 S56.491, but a patient may have both at the same time. When documentation supports it, S56.491 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 S56.491, but a patient may have both at the same time. When documentation supports it, S56.491 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 S56.491 is sequenced first depends on the reason for the encounter.

  • any associated open wound (S51.-)

What codes fall under S56.491? (3)

How long has S56.491 existed?

S56.491 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.

What other codes are in the S56.49 family? (8)