ICDcodes.org
FY2027

S59.291KOther physeal fracture of lower end of radius, right arm, subsequent encounter for fracture with nonunion

BillableCC

Is S59.291K billable?

Yes — S59.291K is billable for FY2027. S59.291K is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S59.291K may be submitted for encounters from October 1, 2026 through September 30, 2027.

S59.291K at a glance

CodeS59.291K
DescriptionOther physeal fracture of lower end of radius, right arm, subsequent encounter for fracture with nonunion
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027
7th character "K"subsequent encounter for fracture with nonunion

What does the 7th character "K" mean in S59.291K?

In S59.291K, the 7th character K means subsequent encounter for fracture with nonunion. The 7th character is required for S59.291K to be a valid, complete code.

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

Which MS-DRGs does S59.291K group to?

S59.291K sits in MDC 08 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.

  • 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
  • 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
  • 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical

As a secondary diagnosis, S59.291K is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is S59.291K listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S59.29, the nearest indexed parent of S59.291K. Use them to find the family, then select the specific code.

  • Fracture, traumaticradiuslower endphysealspecified NEC (abduction) (adduction) (separation)

Use additional code — inherited from Chapter 19

Report an additional code alongside S59.291K to fully describe the condition. S59.291K 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 S59.291K, but a patient may have both at the same time. When documentation supports it, S59.291K 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 S59.291K, but a patient may have both at the same time. When documentation supports it, S59.291K 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 S59

The conditions below are not part of S59.291K, but a patient may have both at the same time. When documentation supports it, S59.291K and the excluded code may both be reported.

  • other and unspecified injuries of wrist and hand (S69.-)

How long has S59.291K existed?

S59.291K 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.