All ICD10 Codes

M84.4

Non-Billable
ChapterM00–M99
Ranksubcategory
Official Description

Pathological fracture, not elsewhere classified

Use a more specific code (2 billable, 7 non-billable)
M84.40Pathological fracture, unspecified siteM84.41Pathological fracture, shoulderhas subcodesM84.42Pathological fracture, humerushas subcodesM84.43Pathological fracture, ulna and radiushas subcodesM84.44Pathological fracture, hand and fingershas subcodesM84.45Pathological fracture, femur and pelvishas subcodesM84.46Pathological fracture, tibia and fibulahas subcodesM84.47Pathological fracture, ankle, foot and toeshas subcodesM84.48Pathological fracture, other site
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Includes
  • Chronic fracture
  • Pathological fracture NOS
Excludes1(Not coded here. Use a different code.)
  • collapsed vertebra NEC (M48.5)
  • pathological fracture in neoplastic disease (M84.5-)
  • pathological fracture in osteoporosis (M80.-)
  • pathological fracture in other disease (M84.6-)
  • stress fracture (M84.3-)
  • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
Excludes2(Not included here. Code separately if applicable.)
  • personal history of (healed) pathological fracture (Z87.311)
General instructions are available for the parent sections:
View CH13 NotesView M84 Notes

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 bone
M84.4Pathological fracture, not elsewhere classifiedNot billable
M84.40Pathological fracture, unspecified siteBillable
M84.41Pathological fracture, shoulderSubcodes
M84.42Pathological fracture, humerusSubcodes
M84.43Pathological fracture, ulna and radiusSubcodes
M84.44Pathological fracture, hand and fingersSubcodes
M84.45Pathological fracture, femur and pelvisSubcodes
M84.46Pathological fracture, tibia and fibulaSubcodes
M84.47Pathological fracture, ankle, foot and toesSubcodes
M84.48Pathological fracture, other siteBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M84.4:

categoryM84
Disorder of continuity of bone
View context instructions
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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