S42.421K ICD-10-CM Code: Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunion
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
S42.421KDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunion
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where S42.421K sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Injuries to the shoulder and upper arm (S40-S49)
- 3
Category S42
Fracture of shoulder and upper arm
- 4
Subcategory S42.421
Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus
- 5
Code S42.421K
Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunion
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for S42.421K.
Code first
No “code first” instruction is listed for S42.421K.
Use additional code
No “use additional code” instruction is listed for S42.421K.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for S42.421K.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for S42.421K.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code S42.421K mean?
S42.421K is the FY 2027 U.S. ICD-10-CM code for “Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with nonunion.”
Is S42.421K a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, S42.421K has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is S42.421K located in ICD-10-CM?
S42.421K is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the shoulder and upper arm (S40-S49) (S40–S49), under category S42, Fracture of shoulder and upper arm and subcategory S42.421, Displaced comminuted supracondylar fracture without intercondylar fracture of right humerus.
What coding notes are listed for S42.421K?
No inclusion terms are listed for S42.421K in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
Keep exploring
Related S42.421 codes
S42.421ADisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, initial encounter for closed fracture
S42.421BDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, initial encounter for open fracture
S42.421DDisplaced comminuted supracondylar fracture without intercondylar fracture of right humerus, subsequent encounter for fracture with routine healing
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