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S42.448

Incarcerated fracture (avulsion) of medial epicondyle of left humerus

Not billable — category only FY2026 2025-10-01 → 2026-09-30
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
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
Alongside this code 8 same parent — S42.44
S42.441 Disp fx (avulsion) of medial epicondyle of right humerus category S42.442 Disp fx (avulsion) of medial epicondyle of left humerus category S42.443 Disp fx (avulsion) of medial epicondyle of unsp humerus category S42.444 Nondisp fx (avulsion) of medial epicondyle of right humerus category S42.445 Nondisp fx (avulsion) of medial epicondyle of left humerus category S42.446 Nondisp fx (avulsion) of medial epicondyle of unsp humerus category S42.447 Incarcerated fracture of medial epicondyle of r humerus category S42.449 Incarcerated fracture of medial epicondyle of unsp humerus category
Subordinate codes 7
S42.448A Incarcerated fracture of medial epicondyl of l humerus, init S42.448B Incarcerated fx of med epicondyl of l humer, init for opn fx S42.448D Incarcerated fx of med epicondyl of l humer, 7thD S42.448G Incarcerated fx of med epicondyl of l humer, 7thG S42.448K Incarcerated fx of med epicondyl of l humer, 7thK S42.448P Incarcerated fx of med epicondyl of l humer, 7thP S42.448S Incarcerated fx of medial epicondyl of l humerus, sequela
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
no
Code set
FY2026
Parent
S42.44
Block
S40-S49
Siblings
8
Subordinate
7

Present FY2024–FY2027.