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S42.126

Nondisplaced fracture of acromial process, unspecified shoulder

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 8 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
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 7
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
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 5 same parent — S42.12
S42.121 Displaced fracture of acromial process, right shoulder category S42.122 Displaced fracture of acromial process, left shoulder category S42.123 Displaced fracture of acromial process, unspecified shoulder category S42.124 Nondisplaced fracture of acromial process, right shoulder category S42.125 Nondisplaced fracture of acromial process, left shoulder category
Subordinate codes 7
S42.126A Nondisp fx of acromial process, unsp shoulder, init S42.126B Nondisp fx of acromial process, unsp shldr, init for opn fx S42.126D Nondisp fx of acromial pro, unsp shldr, 7thD S42.126G Nondisp fx of acromial pro, unsp shldr, 7thG S42.126K Nondisp fx of acromial pro, unsp shldr, 7thK S42.126P Nondisp fx of acromial pro, unsp shldr, 7thP S42.126S Nondisp fx of acromial process, unsp shoulder, 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
S42.12
Block
S40-S49
Siblings
5
Subordinate
7

Present FY2024–FY2027.