ICDcodes.org
FY2027

S42.421 — Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus

Not billable

Is S42.421 billable?

No — S42.421 is a non-billable header code. S42.421 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath S42.421.

Billable codes under this header

S42.421 at a glance

CodeS42.421
DescriptionDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S42.421 listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S42.42, the nearest indexed parent of S42.421. Use them to find the family, then select the specific code.

  • Fracture, traumatic › humerus › lower end › supracondylar › comminuted (abduction) (adduction) (separation)
  • Fracture, traumatic › humerus › lower end › supracondylar › comminuted › nondisplaced (abduction) (adduction) (separation)

Excludes1 — never code together — inherited from S42

The conditions below can never be reported together with S42.421 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • traumatic amputation of shoulder and upper arm (S48.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S42.421 to fully describe the condition. S42.421 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 S42.421, but a patient may have both at the same time. When documentation supports it, S42.421 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 S42.421, but a patient may have both at the same time. When documentation supports it, S42.421 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)

Excludes2 — not included here — inherited from S42

The conditions below are not part of S42.421, but a patient may have both at the same time. When documentation supports it, S42.421 and the excluded code may both be reported.

  • periprosthetic fracture around internal prosthetic shoulder joint (M97.3)

Excludes2 — not included here — inherited from S42.4

The conditions below are not part of S42.421, but a patient may have both at the same time. When documentation supports it, S42.421 and the excluded code may both be reported.

  • fracture of shaft of humerus (S42.3-)
  • physeal fracture of lower end of humerus (S49.1-)

What codes fall under S42.421? (7)

How long has S42.421 existed?

S42.421 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.

What other codes are in the S42.42 family? (5)