ICD-10-CM
ICD-10 code for Malacia, bone (adult): M83.9
The ICD-10-CM index points "Malacia, bone (adult)" to M83.9, Adult osteomalacia, unspecified. M83.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in M83
A header groups codes and is not billed. A billable code is one you can report.
- M83Adult osteomalaciaHeader
- M83.0Puerperal osteomalaciaBillable
- M83.1Senile osteomalaciaBillable
- M83.2Adult osteomalacia due to malabsorptionBillable
- M83.3Adult osteomalacia due to malnutritionBillable
- M83.4Aluminum bone diseaseBillable
- M83.5Other drug-induced osteomalacia in adultsBillable
- M83.8Other adult osteomalaciaBillable
- M83.9Adult osteomalacia, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From M83. A note on a category applies to every code under it.
Related conditions
Related pages
- M83.9 code detailsNotes, nearby codes, CMS-HCC group
- Category M83Every code under it
- Chapter 13Diseases of the musculoskeletal system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Malacia, bone (adult)?
The ICD-10-CM index points "Malacia, bone (adult)" to M83.9, Adult osteomalacia, unspecified. M83.9 is a billable code.
Is M83.9 billable?
Yes. M83.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to M83.9?
The CDC tabular list gives 6 Excludes1 notes (not coded together) for M83.9 and the categories above it. They are listed on this page.
What chapter is M83.9 in?
Chapter 13. Diseases of the musculoskeletal system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.