M19.242Billable
Secondary osteoarthritis, left hand
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M19
- Effective date
- October 1, 2026
Related codes in category M19
M19Other and unspecified osteoarthritisM19.0Primary osteoarthritis of other jointsM19.01Primary osteoarthritis, shoulderM19.011Primary osteoarthritis, right shoulderYesM19.012Primary osteoarthritis, left shoulderYesM19.019Primary osteoarthritis, unspecified shoulderYesM19.02Primary osteoarthritis, elbowM19.021Primary osteoarthritis, right elbowYesM19.022Primary osteoarthritis, left elbowYesM19.029Primary osteoarthritis, unspecified elbowYesM19.03Primary osteoarthritis, wristM19.031Primary osteoarthritis, right wristYes
Frequently asked questions
What is ICD-10 code M19.242?
M19.242 is an ICD-10-CM diagnosis code for Secondary osteoarthritis, left hand.
Is M19.242 a billable code?
Yes. M19.242 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is M19.242 in?
M19.242 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M19.242 become effective?
M19.242 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M19.242?
M19.242 belongs to category M19, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.