2027 ICD-10-CM Diagnosis Code M19.129Post-traumatic osteoarthritis, unspecified elbow
ICD-10-CM Codes›M00–M99›M15-M19›M19
- Billable — Valid for Submission
- Chronic Condition
M19.129 is a billable ICD-10-CM diagnosis code for post-traumatic osteoarthritis, unspecified elbow. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 553 through 554. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Osteoarthritis.
Code Identity
Code Classification
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to M19.129: its own notes plus those printed at M19, block M00-M25, block M15-M19, and Chapter 13. A note printed at a category, block or chapter applies to every code under it.
Includes
Further defines, or gives examples of, the content of the category.
- Disorders affecting predominantly peripheral (limb) joints
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.
- osteoarthritis of spine (M47.-)
- 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 M19.129, its category, or a range that includes it.
Excludes1 7
These codes carry an Excludes1 note naming M19.129: they are not reported together with it, unless the two conditions are unrelated.
- M12.5 Traumatic arthropathypost-traumatic osteoarthritis NOS (M19.1-) names M19.1-, which includes this code
- M12.5 Traumatic arthropathypost-traumatic osteoarthritis of other single joints (M19.1-) names M19.1-, which includes this code
- M12 Other and unspecified arthropathy
- M13 Other arthritis
- M13 Other arthritis
- M13.8 Other specified arthritis
- M15 Polyosteoarthritis
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Osteoarthritis
Osteoarthritis, sometimes called OA, is a type of arthritis that only affects the joints, usually in the hands, knees, hips, neck, and lower back. It's the most common type of arthritis.
The full article covers:
- What is osteoarthritis?
- What are the symptoms of osteoarthritis?
- What causes osteoarthritis?
- Who is more likely to develop osteoarthritis?
- How is osteoarthritis diagnosed?
- What are the treatments for osteoarthritis?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert M19.129 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About M19.129Overview
What is the ICD-10 code for post-traumatic osteoarthritis, unspecified elbow?
The ICD-10-CM code for post-traumatic osteoarthritis, unspecified elbow is M19.129 (sometimes written as M19129). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is M19.129 (Post-traumatic osteoarthritis, elbow) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report post-traumatic osteoarthritis, unspecified elbow on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does M19.129 group to?
When post-traumatic osteoarthritis, unspecified elbow is the principal diagnosis on an inpatient stay, it groups to MS-DRG 554, 553, with relative weights from 0.8328 to 1.2492 depending on complications. Higher weights mean higher Medicare reimbursement.
Can M19.129 be reported with a code from M15?
Not as a rule. The Excludes1 note at M19, which applies to M19.129, lists "polyarthritis (M15.-)". 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 M19.129?
Under the General Equivalence Mappings, post-traumatic osteoarthritis, unspecified elbow converts to ICD-9-CM 715.22 (loc 2nd osteoarth-up/arm). The mapping is approximate, so confirm the match fits the documentation.