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ICD-10-CM 2027

ICD-10 code for Blount disease

M92.51

Juvenile osteochondrosis of proximal tibia

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Disease, diseased › Blount”. Page updated September 29, 2026.

About coding Blount disease

The ICD-10-CM code for Blount disease is M92.51 (Juvenile osteochondrosis of proximal tibia).

Within M92.5 (juvenile osteochondrosis of tibia and fibula), M92.51 is specifically for juvenile osteochondrosis of proximal tibia. Related codes cover unspecified juvenile osteochondrosis of tibia and fibula (M92.50), juvenile osteochondrosis of tibia tubercle (M92.52) and other juvenile osteochondrosis of tibia and fibula (M92.59).

To report this condition, pick the subcode that matches the documentation: M92.511 (right leg), M92.512 (left leg), M92.513 (bilateral) and M92.519 (unspecified leg).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2021 (title revised).

Common questions about Blount disease ICD-10 codes

What is the ICD-10 code for Blount disease?

M92.51 — Juvenile osteochondrosis of proximal tibia (a header code; report a more specific subcode).

Is M92.51 billable?

No. M92.51 is a header code. Report one of its more specific subcodes instead.