S62.12 – Fracture of lunate [semilunar]
ICD-10-CM 2027 diagnosis code · Injuries to the wrist, hand and fingers
- Code
S62.12(claims format:S6212)- Description
- Fracture of lunate [semilunar]
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- S60-S69 Injuries to the wrist, hand and fingers
- Parent codes
- S62 › S62.1
Billable codes under S62.12
S62.12 is a header code and cannot be used on claims. Choose the most specific code:
- S62.121 – Displaced fracture of lunate [semilunar], right wristHeader (more codes below)
- S62.122 – Displaced fracture of lunate [semilunar], left wristHeader (more codes below)
- S62.123 – Displaced fracture of lunate [semilunar], unspecified wristHeader (more codes below)
- S62.124 – Nondisplaced fracture of lunate [semilunar], right wristHeader (more codes below)
- S62.125 – Nondisplaced fracture of lunate [semilunar], left wristHeader (more codes below)
- S62.126 – Nondisplaced fracture of lunate [semilunar], unspecified wristHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
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 |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
S62 – Fracture at wrist and hand level
- traumatic amputation of wrist and hand (S68.-)
- fracture of distal parts of ulna and radius (S52.-)
- 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
- The appropriate 7th character is to be added to each code from category S62
S62.1 – Fracture of other and unspecified carpal bone(s)
- fracture of scaphoid of wrist (S62.0-)
Block S60-S69
Index terms for S62.12
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in S62.1
- S62.10 – Fracture of unspecified carpal boneHeader
- S62.11 – Fracture of triquetrum [cuneiform] bone of wristHeader
- S62.13 – Fracture of capitate [os magnum] boneHeader
- S62.14 – Fracture of body of hamate [unciform] boneHeader
- S62.15 – Fracture of hook process of hamate [unciform] boneHeader
- S62.16 – Fracture of pisiformHeader
- S62.17 – Fracture of trapezium [larger multangular]Header
- S62.18 – Fracture of trapezoid [smaller multangular]Header
Frequently asked questions
What is ICD-10 code S62.12?
S62.12 is the ICD-10-CM code for fracture of lunate [semilunar], in the block S60-S69 (Injuries to the wrist, hand and fingers).
Is S62.12 a billable code?
No. S62.12 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S62.12 belong to?
It belongs to category S62 – Fracture at wrist and hand level.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.