M85.012
Billable codeFibrous dysplasia (monostotic), left shoulder
The ICD-10 code for fibrous dysplasia (monostotic), left shoulder is M85.012.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M85.011Fibrous dysplasia (monostotic), right shoulder
- M85.019Fibrous dysplasia (monostotic), unspecified shoulder
- M85.012Fibrous dysplasia (monostotic), left shoulder
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 73329Approximate match
Associated MS-DRGs
M85.012 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.