M85.849 is the authoritative medical code for Other specified disorders of bone density and structure, unspecified hand. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified disorders of bone density and structure, unspecified hand (ICD-10-CM M85.849), 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, unspecified hand is a billable ICD-10-CM diagnosis code M85.849. 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 M85.849 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 M85.849?
Per official ICD-10-CM Excludes1 instructions, M85.849 must not be reported together with: diffuse idiopathic skeletal hyperostosis [DISH] (M48.1); osteosclerosis congenita (Q77.4); osteosclerosis fragilitas (generalista) (Q78.2); osteosclerosis myelofibrosis (D75.81).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to M85.849 in its code family, 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
View all 40 codes in the M85 family