ICDcodes.org
FY2027

S49.101KUnspecified physeal fracture of lower end of humerus, right arm, subsequent encounter for fracture with nonunion

BillableUnspecifiedCC

Is S49.101K billable?

Yes, but S49.101K is an unspecified code. S49.101K is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S49.101K 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 S49.101K — the more specific alternatives are listed below.

S49.101K at a glance

CodeS49.101K
DescriptionUnspecified physeal fracture of lower end of humerus, 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 S49.101K?

In S49.101K, the 7th character K means subsequent encounter for fracture with nonunion. The 7th character is required for S49.101K to be a valid, complete code.

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

Which MS-DRGs does S49.101K group to?

S49.101K 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, S49.101K is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is S49.101K listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S49.10, the nearest indexed parent of S49.101K. Use them to find the family, then select the specific code.

  • Fracture, traumatichumeruslower endphyseal (abduction) (adduction) (separation)

Use additional code — inherited from Chapter 19

Report an additional code alongside S49.101K to fully describe the condition. S49.101K 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 S49.101K, but a patient may have both at the same time. When documentation supports it, S49.101K and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S40-S49

The conditions below are not part of S49.101K, but a patient may have both at the same time. When documentation supports it, S49.101K and the excluded code may both be reported.

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of elbow (S50-S59)
  • insect bite or sting, venomous (T63.4)

How long has S49.101K existed?

S49.101K 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.