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S42.436S

Nondisplaced fracture (avulsion) of lateral epicondyle of unspecified humerus, sequela

Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 6 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 10 never code together
S42code
Excludes1
  • traumatic amputation of shoulder and upper arm (S48.-)S48.-
Excludes2
  • periprosthetic fracture around internal prosthetic shoulder joint (M97.3)M97.3
S42.4code
Excludes2
  • fracture of shaft of humerus (S42.3-)S42.3-
  • physeal fracture of lower end of humerus (S49.1-)S49.1-
S40-S49block
Excludes2
  • burns and corrosions (T20-T32)T20-T32
  • frostbite (T33-T34)T33-T34
  • injuries of elbow (S50-S59)S50-S59
  • insect bite or sting, venomous (T63.4)T63.4
S00-T88chapter
Excludes2

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

7th character 7
A initial encounter for closed fracture
B initial encounter for open fracture
D subsequent encounter for fracture with routine healing
G subsequent encounter for fracture with delayed healing
K subsequent encounter for fracture with nonunion
P subsequent encounter for fracture with malunion
S sequela this code
Instructional notes 8
S42code
Notes
  • A fracture not indicated as displaced or nondisplaced should be coded to displaced
  • A fracture not indicated as open or closed should be coded to closed
S42.4code
Inclusion terms
  • Fracture of distal end of humerus
S40-S49block
Includes
  • injuries of axilla
  • injuries of scapular region
S00-T88chapter
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Use additional code
  • code to identify any retained foreign body, if applicable (Z18.-)Z18.-
Index entries leading here 1
  • Fracture, traumatic (abduction) (adduction) (separation) T14.8
Alongside this code 6 same parent — S42.436
S42.436A Nondisp fx of lateral epicondyle of unsp humerus, init S42.436B Nondisp fx of lateral epicondyl of unsp humer, 7thB S42.436D Nondisp fx of lateral epicondyl of unsp humer, 7thD S42.436G Nondisp fx of lateral epicondyl of unsp humer, 7thG S42.436K Nondisp fx of lateral epicondyl of unsp humer, 7thK S42.436P Nondisp fx of lateral epicondyl of unsp humer, 7thP
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
yes
Code set
FY2026
Parent
S42.436
Block
S40-S49
Siblings
6

Present FY2024–FY2027.