All ICD10 Codes

M23.8X

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Other internal derangements of knee

Use a more specific code (3 billable)
M23.8X1Other internal derangements of right kneeM23.8X2Other internal derangements of left kneeM23.8X9Other internal derangements 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 NotesView M23.8 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
M23.8Other internal derangements of knee
M23.8XOther internal derangements of kneeNot billable
M23.8X1Other internal derangements of right kneeBillable
M23.8X2Other internal derangements of left kneeBillable
M23.8X9Other internal derangements of unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M23.8X:

subcategoryM23.8
Other internal derangements of knee
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

No direct MS-DRG triggers identified.

Cross Reference

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