M85.8

M85.8: Other specified disorders of bone density and structure

Non-billable headerICD-10-CM

M85.8 is a non-billable header ICD-10-CM code for other specified disorders of bone density and structure. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

diffuse idiopathic skeletal hyperostosis [DISH] (M48.1)
osteosclerosis congenita (Q77.4)
osteosclerosis fragilitas (generalista) (Q78.2)
osteosclerosis myelofibrosis (D75.81)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Hyperostosis of bones, except skull
Osteosclerosis, acquired

Excludes1 inherited from the categories above M85.8

A category’s note binds every code beneath it.

Written on M85: Other disorders of bone density and structure

osteogenesis imperfecta (Q78.0)
osteopetrosis (Q78.2)
osteopoikilosis (Q78.8)
polyostotic fibrous dysplasia (Q78.1)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead M85.8

10 child codes. Green means billable.