ICDcodes.org
FY2027

S65.991SOther specified injury of unspecified blood vessel at wrist and hand of right arm, sequela

BillableUnspecified

Is S65.991S billable?

Yes, but S65.991S is an unspecified code. S65.991S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S65.991S 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 S65.991S — the more specific alternatives are listed below.

S65.991S at a glance

CodeS65.991S
DescriptionOther specified injury of unspecified blood vessel at wrist and hand of right arm, 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 S65.991S?

In S65.991S, the 7th character S means sequela. The 7th character is required for S65.991S to be a valid, complete code.

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

Which MS-DRGs does S65.991S group to?

S65.991S sits in MDC 05 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 299Peripheral Vascular Disorders with MCCmedical
  • 300Peripheral Vascular Disorders with CCmedical
  • 301Peripheral Vascular Disorders without CC/MCCmedical

How is S65.991S listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S65.99, the nearest indexed parent of S65.991S. Use them to find the family, then select the specific code.

  • Injuryblood vessel NEChandspecifiedtype NEC

Use additional code — inherited from Chapter 19

Report an additional code alongside S65.991S to fully describe the condition. S65.991S 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 S65.991S, but a patient may have both at the same time. When documentation supports it, S65.991S 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 S65.991S, but a patient may have both at the same time. When documentation supports it, S65.991S 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 S65

Two codes may be needed to describe the condition fully. Whether S65.991S is sequenced first depends on the reason for the encounter.

  • any associated open wound (S61.-)

How long has S65.991S existed?

S65.991S 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.