M1A.012Header code — not billable
Idiopathic chronic gout, left shoulder
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M1A
- Effective date
- October 1, 2026
Related codes in category M1A
M1AChronic goutM1A.0Idiopathic chronic goutM1A.00Idiopathic chronic gout, unspecified siteM1A.00X0Idiopathic chronic gout, unspecified site, without tophusYesM1A.00X1Idiopathic chronic gout, unspecified site, with tophusYesM1A.01Idiopathic chronic gout, shoulderM1A.011Idiopathic chronic gout, right shoulderM1A.0110Idiopathic chronic gout, right shoulder, without tophusYesM1A.0111Idiopathic chronic gout, right shoulder, with tophus (tophi)YesM1A.0120Idiopathic chronic gout, left shoulder, without tophusYesM1A.0121Idiopathic chronic gout, left shoulder, with tophus (tophi)YesM1A.019Idiopathic chronic gout, unspecified shoulder
Frequently asked questions
What is ICD-10 code M1A.012?
M1A.012 is an ICD-10-CM diagnosis code for Idiopathic chronic gout, left shoulder.
Is M1A.012 a billable code?
No. M1A.012 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is M1A.012 in?
M1A.012 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M1A.012 become effective?
M1A.012 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M1A.012?
M1A.012 belongs to category M1A, 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.