S82.66XJ
✓ Billable
Nondisplaced fracture of lateral malleolus of unspecified fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
ICD-10-CM · FY2026 · Injury, Poisoning and Certain Other Consequences of External Causes
Code
S82.66XJ
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Injury, Poisoning and Certain Other Consequences of External Causes
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code S82.66XJ?
ICD-10-CM code S82.66XJ represents Nondisplaced fracture of lateral malleolus of unspecified fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing. It is a billable diagnosis code in the Injury, Poisoning and Certain Other Consequences of External Causes chapter, effective October 1, 2025 – September 30, 2026.
Is S82.66XJ billable?
Yes. S82.66XJ is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is S82.66XJ in?
S82.66XJ belongs to the Injury, Poisoning and Certain Other Consequences of External Causes chapter (S00–T88) of ICD-10-CM.
Related codes in the S82 category
S82
Fracture of lower leg, including ankle
Non-billable
S82.0
Fracture of patella
Non-billable
S82.1
Fracture of upper end of tibia
Non-billable
S82.2
Fracture of shaft of tibia
Non-billable
S82.3
Fracture of lower end of tibia
Non-billable
S82.4
Fracture of shaft of fibula
Non-billable
S82.5
Fracture of medial malleolus
Non-billable
S82.6
Fracture of lateral malleolus
Non-billable
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