2027 ICD-10-CM Diagnosis Code M19.119Post-traumatic osteoarthritis, unspecified shoulder

ICD-10-CM Codes›M00–M99›M15-M19›M19

ICD-10-CM M19.119
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

M19.119 is a billable ICD-10-CM diagnosis code for post-traumatic osteoarthritis, unspecified shoulder. 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. Coders also document this condition as rotator cuff tear arthropathy. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Osteoarthritis.

Code Identity

ICD-10-CM Code
M19.119
Billable Status
Yes — Valid for Submission
Code Describes
Post-traumatic osteoarthritis, unspecified shoulder
Short Description
Post-traumatic osteoarthritis, unspecified shoulder
Same as the full description in the CMS dataset.
Parent Code
M19.11
Post-traumatic osteoarthritis, shoulder

Code Classification

ChapterM00–M99Diseases of the musculoskeletal system and connective tissue
SectionM15-M19Osteoarthritis
CategoryM19Other and unspecified osteoarthritis
This CodeM19.119Post-traumatic osteoarthritis, unspecified shoulder

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Rotator cuff tear arthropathy

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to M19.119: 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.

From Block M00-M25 applies to 2,249 codes
  • 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.

From M19 Other and unspecified osteoarthritis applies to 52 codes

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.

From M19 Other and unspecified osteoarthritis applies to 52 codes
  • arthrosis of spine (M47.-)
  • hallux rigidus (M20.2)
  • osteoarthritis of spine (M47.-)
From Block M15-M19 Osteoarthritis applies to 98 codes
  • osteoarthritis of spine (M47.-)
From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • 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.

From Chapter 13 (M00-M99) Diseases of the musculoskeletal system and connective tissue applies to 6,687 codes
  • 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 M19.119, its category, or a range that includes it.

Excludes1 7

These codes carry an Excludes1 note naming M19.119: they are not reported together with it, unless the two conditions are unrelated.

  • M12.5 Traumatic arthropathy
    post-traumatic osteoarthritis NOS (M19.1-) names M19.1-, which includes this code
  • M12.5 Traumatic arthropathy
    post-traumatic osteoarthritis of other single joints (M19.1-) names M19.1-, which includes this code
  • M12 Other and unspecified arthropathy
    arthrosis (M15-M19) names M15-M19, which includes this code
  • M13 Other arthritis
    arthrosis (M15-M19) names M15-M19, which includes this code
  • M13 Other arthritis
    osteoarthritis (M15-M19) names M15-M19, which includes this code
  • M13.8 Other specified arthritis
    osteoarthritis (M15-M19) names M15-M19, which includes this code
  • M15 Polyosteoarthritis
    bilateral involvement of single joint (M16-M19) names M16-M19, which includes this code

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MUS006
Osteoarthritis
Default principal diagnosis: inpatient Yes · outpatient Yes

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 M19.119 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
715.21 Loc 2nd osteoarth-shlder
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About M19.119Overview

What is the ICD-10 code for post-traumatic osteoarthritis, unspecified shoulder?

The ICD-10-CM code for post-traumatic osteoarthritis, unspecified shoulder is M19.119 (sometimes written as M19119). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is M19.119 (Post-traumatic osteoarthritis, shoulder) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report post-traumatic osteoarthritis, unspecified shoulder on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does M19.119 group to?

When post-traumatic osteoarthritis, unspecified shoulder 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 M19.119 be reported with a code from M15?

Not as a rule. The Excludes1 note at M19, which applies to M19.119, 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 M19.119?

Under the General Equivalence Mappings, post-traumatic osteoarthritis, unspecified shoulder converts to ICD-9-CM 715.21 (loc 2nd osteoarth-shlder). The mapping is approximate, so confirm the match fits the documentation.