S42.266
Nondisplaced fracture of lesser tuberosity of unspecified humerus
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 10 never code together
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
S42.2code
Inclusion terms
- Fracture of proximal 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 5 same parent — S42.26
S42.261 Displaced fracture of lesser tuberosity of right humerus category S42.262 Displaced fracture of lesser tuberosity of left humerus category S42.263 Disp fx of lesser tuberosity of unspecified humerus category S42.264 Nondisplaced fracture of lesser tuberosity of right humerus category S42.265 Nondisplaced fracture of lesser tuberosity of left humerus category
Subordinate codes 7
S42.266A Nondisp fx of lesser tuberosity of unsp humerus, init S42.266B Nondisp fx of less tuberosity of unsp humer, init for opn fx S42.266D Nondisp fx of less tuberosity of unsp humer, 7thD S42.266G Nondisp fx of less tuberosity of unsp humer, 7thG S42.266K Nondisp fx of less tuberosity of unsp humer, 7thK S42.266P Nondisp fx of less tuberosity of unsp humer, 7thP S42.266S Nondisp fx of lesser tuberosity of unsp 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.