S42.43 Fracture (avulsion) of lateral epicondyle of humerus

Non-billable header with 6 child codes.

Applies from S42 Fracture of shoulder and upper arm

Excludes1 (never code together)

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

Excludes2 (not included here)

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

7th character note

• The appropriate 7th character is to be added to all codes from category S42

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

7th character required

• 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

Applies from S42.4 Fracture of lower end of humerus

Applicable to

• Fracture of distal end of humerus

Excludes2 (not included here)

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

Codes under S42.43

• S42.431 Displaced fracture (avulsion) of lateral epicondyle of right humerus
• S42.432 Displaced fracture (avulsion) of lateral epicondyle of left humerus
• S42.433 Displaced fracture (avulsion) of lateral epicondyle of unspecified humerus
• S42.434 Nondisplaced fracture (avulsion) of lateral epicondyle of right humerus
• S42.435 Nondisplaced fracture (avulsion) of lateral epicondyle of left humerus
• S42.436 Nondisplaced fracture (avulsion) of lateral epicondyle of unspecified humerus

Code annotations containing back-references to S42.43

Back-references to S42

• Type 1 Excludes: M84.3 Stress fracture ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 2 Excludes: S41 Open wound of shoulder and upper arm ("open fracture of shoulder and upper arm (S42.- with 7th character B or C)")

Diagnosis Index entries for S42.43

• Fracture, traumatic (abduction) (adduction) (separation) › humerus › lower end › epicondyle › lateral (displaced)
• Fracture, traumatic (abduction) (adduction) (separation) › humerus › lower end › epicondyle › lateral (displaced) › nondisplaced

Nearby codes

• S42.426D Nondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with routine healing
• S42.426G Nondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with delayed healing
• S42.426K Nondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with nonunion
• S42.426P Nondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, subsequent encounter for fracture with malunion
• S42.426S Nondisplaced comminuted supracondylar fracture without intercondylar fracture of unspecified humerus, sequela
• S42.43 Fracture (avulsion) of lateral epicondyle of humerus (this code)
• S42.431 Displaced fracture (avulsion) of lateral epicondyle of right humerus
• S42.431A Displaced fracture (avulsion) of lateral epicondyle of right humerus, initial encounter for closed fracture
• S42.431B Displaced fracture (avulsion) of lateral epicondyle of right humerus, initial encounter for open fracture
• S42.431D Displaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with routine healing
• S42.431G Displaced fracture (avulsion) of lateral epicondyle of right humerus, subsequent encounter for fracture with delayed healing