M84.4

Non-billable

Pathological fracture, not elsewhere classified

M84.4 is the ICD-10-CM code for Pathological fracture, not elsewhere classified. It is a non-billable category code — use a more specific child code such as M84.40 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M84
Subcodes
9
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

Includes

  • Chronic fracture
  • Pathological fracture NOS

Excludes1 — not coded here

  • 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

  • personal history of (healed) pathological fracture (Z87.311)

Frequently asked questions

What is ICD-10 code M84.4?
M84.4 is the ICD-10-CM code for "Pathological fracture, not elsewhere classified". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M84.4 a billable code?
No — M84.4 is a non-billable header code. Use a more specific child code (such as M84.40) for billing.
What are the subcodes of M84.4?
M84.4 has 9 more specific child codes, including M84.40, M84.41, M84.42.
What is excluded from M84.4?
Excludes1 (not coded here): collapsed vertebra NEC (M48.5); pathological fracture in neoplastic disease (M84.5-); pathological fracture in osteoporosis (M80.-); pathological fracture in other disease (M84.6-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.