Alphabetic Index FY2027

M96.639

Fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M96 Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified

BillableComplete code, valid to report
Care settingsHospital CC

M96.639 (also written M96639) is a billable ICD-10-CM diagnosis code for fracture of radius or ulna following insertion of orthopedic implant, joint prosthesis, or bone plate, unspecified arm. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 36 codes in category M96 (Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified). Its coding notes include 16 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Intraoperative and postprocedural complications are coded from the body system chapters unless the complication is specifically indexed to a T code.

Guidelines I.C.19.g.5Postprocedural complications in the body system chaptersRead the official text

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from M96.6 Fracture of bone following insertion of orthopedic implant, joint prosthesis, or bone plate
  • complication of internal orthopedic devices, implants or grafts (T84.-)
Inherited from M96 Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified
  • 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)
Also from chapter/block level (10 notes)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • 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)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Hospital CC

Counts as a complication or comorbidity (CC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 193 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition