ICDcodes.org
FY2027

S61.109SUnspecified open wound of unspecified thumb with damage to nail, sequela

BillableUnspecified

Is S61.109S billable?

Yes, but S61.109S is an unspecified code. S61.109S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S61.109S is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S61.109S — the more specific alternatives are listed below.

S61.109S at a glance

CodeS61.109S
DescriptionUnspecified open wound of unspecified thumb with damage to nail, 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 S61.109S?

In S61.109S, the 7th character S means sequela. The 7th character is required for S61.109S to be a valid, complete code.

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

Which MS-DRGs does S61.109S group to?

S61.109S 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 S61.109S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S61.109, the nearest indexed parent of S61.109S. Use them to find the family, then select the specific code.

  • Wound, openthumbwithdamage to nail

Excludes1 — never code together — inherited from S61

The conditions below can never be reported together with S61.109S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • open fracture of wrist, hand and finger (S62.- with 7th character B)
  • traumatic amputation of wrist and hand (S68.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S61.109S to fully describe the condition. S61.109S 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 S61.109S, but a patient may have both at the same time. When documentation supports it, S61.109S 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 S61.109S, but a patient may have both at the same time. When documentation supports it, S61.109S and the excluded code may both be reported.

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

Code also — inherited from S61

Two codes may be needed to describe the condition fully. Whether S61.109S is sequenced first depends on the reason for the encounter.

  • any associated wound infection

How long has S61.109S existed?

S61.109S 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.