M85.88 is the authoritative medical code for Other specified disorders of bone density and structure, other site. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified disorders of bone density and structure, other site (ICD-10-CM M85.88), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other specified disorders of bone density and structure, other site is a billable ICD-10-CM diagnosis code M85.88. Excludes1 (not coded here): diffuse idiopathic skeletal hyperostosis DISH; osteosclerosis congenita Q77.4; osteosclerosis fragilitas generalista Q78.2; osteosclerosis myelofibrosis D75.81; osteogenesis imperfecta Q78.0; osteopetrosis Q78.2; osteopoikilosis Q78.8; polyostotic fibrous dysplasia Q78.1.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M85.88 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- diffuse idiopathic skeletal hyperostosis DISH
- osteosclerosis congenita Q77.4
- osteosclerosis fragilitas generalista Q78.2
- osteosclerosis myelofibrosis D75.81
- osteogenesis imperfecta Q78.0
- osteopetrosis Q78.2
- osteopoikilosis Q78.8
- polyostotic fibrous dysplasia Q78.1
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M85.88?
Per Excludes1 instructions, M85.88 must not be reported with: diffuse idiopathic skeletal hyperostosis [DISH] (M48.1); osteosclerosis congenita (Q77.4); osteosclerosis fragilitas (generalista) (Q78.2); osteosclerosis myelofibrosis (D75.81).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M85.88, with their registry titles.
- M85 — Other disorders of bone density and structure
- M85.0 — Fibrous dysplasia (monostotic)
- M85.00 — Fibrous dysplasia (monostotic), unspecified site
- M85.01 — Fibrous dysplasia (monostotic), shoulder
- M85.011 — Fibrous dysplasia (monostotic), right shoulder
- M85.012 — Fibrous dysplasia (monostotic), left shoulder
- M85.019 — Fibrous dysplasia (monostotic), unspecified shoulder
- M85.02 — Fibrous dysplasia (monostotic), upper arm
- M85.021 — Fibrous dysplasia (monostotic), right upper arm
- M85.022 — Fibrous dysplasia (monostotic), left upper arm
- M85.029 — Fibrous dysplasia (monostotic), unspecified upper arm
- M85.03 — Fibrous dysplasia (monostotic), forearm
- M85.031 — Fibrous dysplasia (monostotic), right forearm
- M85.032 — Fibrous dysplasia (monostotic), left forearm
- M85.039 — Fibrous dysplasia (monostotic), unspecified forearm
- M85.04 — Fibrous dysplasia (monostotic), hand
- M85.041 — Fibrous dysplasia (monostotic), right hand
- M85.042 — Fibrous dysplasia (monostotic), left hand
- M85.049 — Fibrous dysplasia (monostotic), unspecified hand
- M85.05 — Fibrous dysplasia (monostotic), thigh
- M85.051 — Fibrous dysplasia (monostotic), right thigh
- M85.052 — Fibrous dysplasia (monostotic), left thigh
- M85.059 — Fibrous dysplasia (monostotic), unspecified thigh
- M85.06 — Fibrous dysplasia (monostotic), lower leg
- M85.061 — Fibrous dysplasia (monostotic), right lower leg
- M85.062 — Fibrous dysplasia (monostotic), left lower leg
- M85.069 — Fibrous dysplasia (monostotic), unspecified lower leg
- M85.07 — Fibrous dysplasia (monostotic), ankle and foot
- M85.071 — Fibrous dysplasia (monostotic), right ankle and foot
- M85.072 — Fibrous dysplasia (monostotic), left ankle and foot
- M85.079 — Fibrous dysplasia (monostotic), unspecified ankle and foot
- M85.08 — Fibrous dysplasia (monostotic), other site
- M85.09 — Fibrous dysplasia (monostotic), multiple sites
- M85.1 — Skeletal fluorosis
- M85.10 — Skeletal fluorosis, unspecified site
- M85.11 — Skeletal fluorosis, shoulder
- M85.111 — Skeletal fluorosis, right shoulder
- M85.112 — Skeletal fluorosis, left shoulder
- M85.119 — Skeletal fluorosis, unspecified shoulder
- M85.12 — Skeletal fluorosis, upper arm
Indexed Clinical Terms (4)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Disorder (of), bone, density and structure, specified type NEC, neck
- Disorder (of), bone, density and structure, specified type NEC, rib
- Disorder (of), bone, density and structure, specified type NEC, skull
- Disorder (of), bone, density and structure, specified type NEC, vertebra
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M80.88
Other osteoporosis with current pathological fracture, vertebra(e)