All ICD10 Codes

M23.64

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Other spontaneous disruption of lateral collateral ligament of knee

Use a more specific code (3 billable)
M23.641Other spontaneous disruption of lateral collateral ligament of right kneeM23.642Other spontaneous disruption of lateral collateral ligament of left kneeM23.649Other spontaneous disruption of lateral collateral ligament of unspecified knee
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
General instructions are available for the parent sections:
View CH13 NotesView M20-M25 NotesView M23 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25Other joint disorders (M20-M25)
M23Internal derangement of knee
M23.6Other spontaneous disruption of ligament(s) of knee
M23.64Other spontaneous disruption of lateral collateral ligament of kneeNot billable
M23.641Other spontaneous disruption of lateral collateral ligament of right kneeBillable
M23.642Other spontaneous disruption of lateral collateral ligament of left kneeBillable
M23.649Other spontaneous disruption of lateral collateral ligament of unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M23.64:

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

No direct MS-DRG triggers identified.

Cross Reference

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