ICDcodes.org
FY2027

S66.112Strain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level

Not billable

Is S66.112 billable?

No — S66.112 is a non-billable header code. S66.112 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 S66.112.

S66.112 at a glance

CodeS66.112
DescriptionStrain of flexor muscle, fascia and tendon of right middle finger at wrist and hand level
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S66.112 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S66.11, the nearest indexed parent of S66.112. Use them to find the family, then select the specific code.

  • Injurymusclefingerindexflexorhand levelstrain
  • Injurymusclefingerlittleflexorhand levelstrain
  • Injurymusclefingermiddleflexorhand levelstrain
  • Injurymusclefingerringflexorhand levelstrain

Use additional code — inherited from Chapter 19

Report an additional code alongside S66.112 to fully describe the condition. S66.112 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 S66.112, but a patient may have both at the same time. When documentation supports it, S66.112 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S60-S69

The conditions below are not part of S66.112, but a patient may have both at the same time. When documentation supports it, S66.112 and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S66

The conditions below are not part of S66.112, but a patient may have both at the same time. When documentation supports it, S66.112 and the excluded code may both be reported.

  • sprain of joints and ligaments of wrist and hand (S63.-)

Excludes2 — not included here — inherited from S66.1

The conditions below are not part of S66.112, but a patient may have both at the same time. When documentation supports it, S66.112 and the excluded code may both be reported.

  • Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level (S66.0-)

Code also — inherited from S66

Two codes may be needed to describe the condition fully. Whether S66.112 is sequenced first depends on the reason for the encounter.

  • any associated open wound (S61.-)

What codes fall under S66.112? (3)

How long has S66.112 existed?

S66.112 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 S66.11 family? (9)