M84.6
ICD-10Non-billable categoryPathological fracture in other disease
Official ICD-10-CM descriptor (FY2026)
Pathological fracture in other disease
M84.6 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- pathological fracture in osteoporosis (M80.-)
Code also
Two codes may be needed; sequencing depends on the reason for the encounter.
- underlying condition
7th character
- The appropriate 7th character is to be added to each code from subcategory M84.6:
Permitted 7th characters
| A | initial encounter for fracture |
| D | subsequent encounter for fracture with routine healing |
| G | subsequent encounter for fracture with delayed healing |
| K | subsequent encounter for fracture with nonunion |
| P | subsequent encounter for fracture with malunion |
| S | sequela |
ICD-10-CM FY2026 defines 9 codes beneath M84.6. See the ICD-10-CM index for what this site publishes.
Related codes in M84
- M84.3Stress fracturecategory
- M84.4Pathological fracture, not elsewhere classifiedcategory
- M84.5Pathological fracture in neoplastic diseasecategory
- M84.7Nontraumatic fracture, not elsewhere classifiedcategory
- M84.8Other disorders of continuity of bonecategory
- M84.9Disorder of continuity of bone, unspecified
Where this code sits
- Parent code
- M84
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.