M84

Non-Billable
ChapterM00–M99
Rankcategory
Official Description

Disorder of continuity of bone

Metadata & Insights
  • Non-billable category (requires more specific sub-code).
  • Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • traumatic fracture of bone-see fracture, by site

Clinical Hierarchy

BillableHas subcodes
CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)
M80-M85Disorders of bone density and structure (M80-M85)
M84Disorder of continuity of boneNot billable
M84.3Stress fractureSubcodes
M84.4Pathological fracture, not elsewhere classifiedSubcodes
M84.5Pathological fracture in neoplastic diseaseSubcodes
M84.6Pathological fracture in other diseaseSubcodes
M84.7Nontraumatic fracture, not elsewhere classifiedSubcodes
M84.8Other disorders of continuity of boneSubcodes
M84.9Disorder of continuity of bone, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M84:

chapterCH13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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