All ICD10 Codes

M12.46

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Intermittent hydrarthrosis, knee

Use a more specific code (3 billable)
M12.461Intermittent hydrarthrosis, right kneeM12.462Intermittent hydrarthrosis, left kneeM12.469Intermittent hydrarthrosis, 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 M12 Notes

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M05-M14Inflammatory polyarthropathies (M05-M14)
M12Other and unspecified arthropathy
M12.4Intermittent hydrarthrosis
M12.46Intermittent hydrarthrosis, kneeNot billable
M12.461Intermittent hydrarthrosis, right kneeBillable
M12.462Intermittent hydrarthrosis, left kneeBillable
M12.469Intermittent hydrarthrosis, unspecified kneeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M12.46:

categoryM12
Other and unspecified arthropathy
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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