InnovaRx Innova Health Strategies
Pricing Sign in

S42.321

Displaced transverse fracture of shaft of humerus, right arm

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
S42.3code
Excludes2
  • physeal fractures of upper end of humerus (S49.0-)S49.0-
  • physeal fractures 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 9
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
S42.3code
Inclusion terms
  • Fracture of humerus NOS
  • Fracture of upper arm NOS
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 5 same parent — S42.32
S42.322 Displaced transverse fracture of shaft of humerus, left arm category S42.323 Displaced transverse fracture of shaft of humerus, unsp arm category S42.324 Nondisp transverse fracture of shaft of humerus, right arm category S42.325 Nondisp transverse fracture of shaft of humerus, left arm category S42.326 Nondisp transverse fracture of shaft of humerus, unsp arm category
Subordinate codes 7
S42.321A Displaced transverse fx shaft of humerus, right arm, init S42.321B Displ transverse fx shaft of humer, r arm, init for opn fx S42.321D Displ transverse fx shaft of humer, r arm, 7thD S42.321G Displ transverse fx shaft of humer, r arm, 7thG S42.321K Displ transverse fx shaft of humer, r arm, 7thK S42.321P Displ transverse fx shaft of humer, r arm, 7thP S42.321S Displaced transverse fx shaft of humerus, right arm, 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
S42.32
Block
S40-S49
Siblings
5
Subordinate
7

Present FY2024–FY2027.