S82.91 – Unspecified fracture of right lower leg
ICD-10-CM 2027 diagnosis code · Injuries to the knee and lower leg
ICD-10-CM code
S82.91
- Code
S82.91(claims format:S8291)- Description
- Unspecified fracture of right lower leg
- 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
- S80-S89 Injuries to the knee and lower leg
- Parent codes
- S82 › S82.9
Billable codes under S82.91
S82.91 is a header code and cannot be used on claims. Choose the most specific code:
- S82.91XA – Unspecified fracture of right lower leg, initial encounter for closed fractureBillable
- S82.91XB – Unspecified fracture of right lower leg, initial encounter for open fracture type I or IIBillable
- S82.91XC – Unspecified fracture of right lower leg, initial encounter for open fracture type IIIA, IIIB, or IIICBillable
- S82.91XD – Unspecified fracture of right lower leg, subsequent encounter for closed fracture with routine healingBillable
- S82.91XE – Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with routine healingBillable
- S82.91XF – Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingBillable
- S82.91XG – Unspecified fracture of right lower leg, subsequent encounter for closed fracture with delayed healingBillable
- S82.91XH – Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with delayed healingBillable
- S82.91XJ – Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingBillable
- S82.91XK – Unspecified fracture of right lower leg, subsequent encounter for closed fracture with nonunionBillable
- S82.91XM – Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with nonunionBillable
- S82.91XN – Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionBillable
- S82.91XP – Unspecified fracture of right lower leg, subsequent encounter for closed fracture with malunionBillable
- S82.91XQ – Unspecified fracture of right lower leg, subsequent encounter for open fracture type I or II with malunionBillable
- S82.91XR – Unspecified fracture of right lower leg, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionBillable
- S82.91XS – Unspecified fracture of right lower leg, sequelaBillable
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 type I or II |
C | initial encounter for open fracture type IIIA, IIIB, or IIIC |
D | subsequent encounter for closed fracture with routine healing |
E | subsequent encounter for open fracture type I or II with routine healing |
F | subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing |
G | subsequent encounter for closed fracture with delayed healing |
H | subsequent encounter for open fracture type I or II with delayed healing |
J | subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing |
K | subsequent encounter for closed fracture with nonunion |
M | subsequent encounter for open fracture type I or II with nonunion |
N | subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion |
P | subsequent encounter for closed fracture with malunion |
Q | subsequent encounter for open fracture type I or II with malunion |
R | subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
S82 – Fracture of lower leg, including ankle
Includes:
- fracture of malleolus
Excludes1 (not coded here):
- traumatic amputation of lower leg (S88.-)
Excludes2 (not included here):
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
- The open fracture designations are based on the Gustilo open fracture classification
7th character note:
- The appropriate 7th character is to be added to all codes from category S82
Block S80-S89
Related codes in S82.9
Frequently asked questions
What is ICD-10 code S82.91?
S82.91 is the ICD-10-CM code for unspecified fracture of right lower leg, in the block S80-S89 (Injuries to the knee and lower leg).
Is S82.91 a billable code?
No. S82.91 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S82.91 belong to?
It belongs to category S82 – Fracture of lower leg, including ankle.
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.