M96Not billable, use a more specific code below

Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified

chapter 13: Diseases of the Musculoskeletal System and Connective Tissue

36 billable codes under M96: 1 is an MCC, 30 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

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Instructional notes

Excludes2: not included here, code separately if applicable

  • arthropathy following intestinal bypass (M02.0-)
  • complications of internal orthopedic prosthetic devices, implants and grafts (T84.-)
  • disorders associated with osteoporosis (M80)
  • periprosthetic fracture around internal prosthetic joint (M97.-)
  • presence of functional implants and other devices (Z96-Z97)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers site and laterality, acute injury versus chronic musculoskeletal conditions, 7th characters for pathologic fractures, osteoporosis with or without current fracture, and multisystem inflammatory syndrome.

Read Section I.C.13 (page 60)

All codes under M96

M96 can't be used on a claim. Pick a billable code below; grey headings group them.

M96 MS-DRGs

As the principal diagnosis, the billable codes under M96 group to these 22 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to M96

Notes on these codes point to M96.

  • M40 Excludes1: postprocedural kyphosis and lordosis (M96.-)
  • M86-M90 Excludes1: postprocedural osteopathies (M96.-)
  • M91-M94 Excludes1: postprocedural chondropathies (M96.-)
  • M95 Excludes2: postprocedural musculoskeletal disorders (M96.-)
  • T80-T88 Excludes2: intraoperative and postprocedural complications of specified body systems (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95.6-, J95.7, K91.6-, L76.-, M96.-, N99.-)
  • T81 Excludes2: intraoperative and postprocedural complications of specific body system (D78.-, E36.-, E89.-, G97.3-, G97.4, H59.3-, H59.-, H95.2-, H95.3, I97.4-, I97.5, J95, K91.-, L76.-, M96.-, N99.-)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.