M23.201

Billable
ChapterM00–M99
Ranksubcategory
Official Description

Derangement of unspecified lateral meniscus due to old tear or injury, left knee

Metadata & Insights
  • 2026 ICD-10-CM Edition - Effective October 1, 2025.
  • Billable/specific code (valid for reimbursement).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M23Internal derangement of knee
M23.2Derangement of meniscus due to old tear or injury
M23.20Derangement of unspecified meniscus due to old tear or injury
M23.201Derangement of unspecified lateral meniscus due to old tear or injury, left knee

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M23.201:

subcategoryM23.20
Derangement of unspecified meniscus due to old tear or injury
View context instructions
subcategoryM23.2
Derangement of meniscus due to old tear or injury
View context instructions
categoryM23
Internal derangement of knee
View context instructions
blockM20-M25
Other joint disorders (M20-M25)
View context instructions
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026 v43.1

Cross Reference

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