2027 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 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 557 through 558. Coders also document this condition as bilateral non-traumatic complete rupture of rotator cuff of shoulders. 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
- Disorder of bilateral rotator cuffs
- 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
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M75.121: its own notes plus those printed at M75.1, M75, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- arthropathic psoriasis (L40.5-)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- compartment syndrome (traumatic) (T79.A-)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Notes
General instructions on how these codes are used.
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name M75.121, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming M75.121: they are not reported together with it, unless the two conditions are unrelated.
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, 2026 through September 30, 2027.
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 0.8873 to 1.4883 depending on complications. Higher weights mean higher Medicare reimbursement.
Can M75.121 be reported with a code from S46.01?
Not as a rule. The Excludes1 note at M75.1, which applies to M75.121, lists "tear of rotator cuff, traumatic (S46.01-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
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.
