2026 ICD-10-CM Diagnosis Code M75.121Complete rotator cuff tear or rupture of right shoulder, not specified as traumatic
ICD-10-CM Codes›M00–M99›M70-M79›M75
- Billable — Valid for Submission
- Not Chronic
M75.121 is a billable ICD-10-CM diagnosis code for complete rotator cuff tear or rupture of right shoulder, not specified as traumatic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 557 through 558. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Tendon and synovial disorders.
This medical diagnosis code is frequently used in Orthopedics medical specialties to designate conditions such selected shoulder conditions.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Bilateral non-traumatic complete rupture of rotator cuff of shoulders
- Bilateral nontraumatic rotator cuff rupture
- Full thickness rotator cuff tear
- Nontraumatic complete rupture of rotator cuff of left shoulder
- Nontraumatic complete rupture of rotator cuff of right shoulder
- Nontraumatic rotator cuff tear
- Nontraumatic rupture of rotator cuff of left shoulder
- Nontraumatic rupture of rotator cuff of right shoulder
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Rotator Cuff Injuries
Your rotator cuff is part of your shoulder joint. It's a group of muscles and tendons that holds the top part of your upper arm bone firmly in your shoulder socket. The rotator cuff keeps your shoulder stable when you move your arm in any direction.
The full article covers:
- What is a rotator cuff?
- What are rotator cuff injuries?
- Who is more likely to develop a rotator cuff injury?
- What are the symptoms of rotator cuff injuries?
- How are rotator cuff injuries diagnosed?
- What are the treatments for rotator cuff injuries?
- When should I see a health care provider for shoulder pain?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M75.121 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M75.121Overview
Is M75.121 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report complete rotator cuff tear or rupture of right shoulder, not specified as traumatic on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does M75.121 group to?
When complete rotator cuff tear or rupture of right shoulder, not specified as traumatic is the principal diagnosis on an inpatient stay, it groups to MS-DRG 557, 558, with relative weights from 0.8932 to 1.4869 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of M75.121?
Under the General Equivalence Mappings, complete rotator cuff tear or rupture of right shoulder, not specified as traumatic converts to ICD-9-CM 727.61 (rotator cuff rupture). The mapping is approximate, so confirm the match fits the documentation.
Footnotes
[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.
