M23.339
✓ Billable
Other meniscus derangements, other medial meniscus, unspecified knee
ICD-10-CM · FY2026 · Diseases of the Musculoskeletal System and Connective Tissue
Code
M23.339
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Musculoskeletal System and Connective Tissue
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 M23.339?
ICD-10-CM code M23.339 represents Other meniscus derangements, other medial meniscus, unspecified knee. It is a billable diagnosis code in the Diseases of the Musculoskeletal System and Connective Tissue chapter, effective October 1, 2025 – September 30, 2026.
Is M23.339 billable?
Yes. M23.339 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is M23.339 in?
M23.339 belongs to the Diseases of the Musculoskeletal System and Connective Tissue chapter (M00–M99) of ICD-10-CM.
Related codes in the M23 category
M23
Internal derangement of knee
Non-billable
M23.0
Cystic meniscus
Non-billable
M23.2
Derangement of meniscus due to old tear or injury
Non-billable
M23.3
Other meniscus derangements
Non-billable
M23.4
Loose body in knee
Non-billable
M23.5
Chronic instability of knee
Non-billable
M23.6
Other spontaneous disruption of ligament(s) of knee
Non-billable
M23.8
Other internal derangements of knee
Non-billable
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