M85.33

Non-billable

Osteitis condensans, forearm

M85.33 is the ICD-10-CM code for Osteitis condensans, forearm. It is a non-billable category code — use a more specific child code such as M85.331 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M85.3
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

What this means — in plain language

MedlinePlus · NIH

Your bones help you move, give you shape and support your body. They are living tissues that rebuild constantly throughout your life. During childhood and your teens, your body adds new bone faster than it removes old bone. After about age 20, you can lose bone faster than you make bone. To have strong bones when you are young, and to prevent bone loss when you are older, you need to get enough calcium , vitamin D ,…

Read more about Bone Diseases at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

No additional coding notes for this code.

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code M85.33?
M85.33 is the ICD-10-CM code for "Osteitis condensans, forearm". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M85.33 a billable code?
No — M85.33 is a non-billable header code. Use a more specific child code (such as M85.331) for billing.
What are the subcodes of M85.33?
M85.33 has 3 more specific child codes, including M85.331, M85.332, M85.339.

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

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