M18.1
Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description
Unilateral primary osteoarthritis of first carpometacarpal joint
Use a more specific code (3 billable)
Metadata & Insights
- •Non-billable category (requires more specific sub-code).
- •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).
Instructional Notes
Includes
- Primary osteoarthritis of first carpometacarpal joint NOS
General instructions are available for the parent sections:
Clinical Hierarchy
BillableHas subcodes
Applicable Ancestor Context
The following parent sections contain instructions or notes that apply to M18.1:
chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructionsMS-DRG Classification
No direct MS-DRG triggers identified.
Cross Reference
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