ICDcodes.org
FY2027

S80.259DSuperficial foreign body, unspecified knee, subsequent encounter

BillableUnspecified

Is S80.259D billable?

Yes, but S80.259D is an unspecified code. S80.259D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S80.259D 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 S80.259D — the more specific alternatives are listed below.

S80.259D at a glance

CodeS80.259D
DescriptionSuperficial foreign body, unspecified knee, subsequent encounter
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "D"subsequent encounter

What does the 7th character "D" mean in S80.259D?

In S80.259D, the 7th character D means subsequent encounter. The 7th character is required for S80.259D to be a valid, complete code.

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

Which MS-DRGs does S80.259D group to?

S80.259D sits in MDC 23 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.

  • 949Aftercare with CC/MCCmedical
  • 950Aftercare without CC/MCCmedical

How is S80.259D listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S80.25, the nearest indexed parent of S80.259D. Use them to find the family, then select the specific code.

  • Foreign bodysuperficial, without open woundknee

Use additional code — inherited from Chapter 19

Report an additional code alongside S80.259D to fully describe the condition. S80.259D 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 S80.259D, but a patient may have both at the same time. When documentation supports it, S80.259D and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S80-S89

The conditions below are not part of S80.259D, but a patient may have both at the same time. When documentation supports it, S80.259D and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S80

The conditions below are not part of S80.259D, but a patient may have both at the same time. When documentation supports it, S80.259D and the excluded code may both be reported.

  • superficial injury of ankle and foot (S90.-)

How long has S80.259D existed?

S80.259D 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.