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ICD-10/M25.311

M25.311 ICD-10-CM Code: Other instability, right shoulder

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

  • MS-DRG 564 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH MCC (MDC 08)
  • MS-DRG 565 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITH CC (MDC 08)
  • MS-DRG 566 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE DIAGNOSES WITHOUT CC/MCC (MDC 08)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Official Registry Overview & Definition

Other instability, right shoulder is a billable ICD-10-CM diagnosis code (M25.311).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M25.311 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • instability of joint secondary to old ligament injury (M24.2-)
  • instability of joint secondary to removal of joint prosthesis (M96.8-)

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • spinal instabilities (M53.2-)
  • abnormality of gait and mobility (R26.-)
  • acquired deformities of limb (M20-M21)
  • calcification of bursa (M71.4-)
  • calcification of shoulder (joint) (M75.3)
  • calcification of tendon (M65.2-)
  • difficulty in walking (R26.2)
  • temporomandibular joint disorder (M26.6-)
  • joints of the spine (M40-M54)

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M25.311 in its code family, with their registry titles.

  • M25.279 — Flail joint, unspecified ankle and foot
  • M25.28 — Flail joint, other site
  • M25.3 — Other instability of joint
  • M25.30 — Other instability, unspecified joint
  • M25.31 — Other instability, shoulder
  • M25.312 — Other instability, left shoulder
  • M25.319 — Other instability, unspecified shoulder
  • M25.32 — Other instability, elbow
  • M25.321 — Other instability, right elbow
  • M25.322 — Other instability, left elbow

View all codes in the M25 family