NPI Atlas

M83 – Adult osteomalacia

ICD-10-CM 2027 diagnosis code · Disorders of bone density and structure

Non-billable header

ICD-10-CM code M83

Code: M83 (claims format: M83)
Description: Adult osteomalacia
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block: M80-M85 Disorders of bone density and structure

Billable codes under M83

M83 is a header code and cannot be used on claims. Choose the most specific code:

M83.0 – Puerperal osteomalaciaBillable
M83.1 – Senile osteomalaciaBillable
M83.2 – Adult osteomalacia due to malabsorptionBillable
M83.3 – Adult osteomalacia due to malnutritionBillable
M83.4 – Aluminum bone diseaseBillable
M83.5 – Other drug-induced osteomalacia in adultsBillable
M83.8 – Other adult osteomalaciaBillable
M83.9 – Adult osteomalacia, unspecifiedBillable

Notes for M83

Excludes1 (not coded here):

infantile and juvenile osteomalacia (E55.0)
renal osteodystrophy (N25.0)
rickets (active) (E55.0)
rickets (active) sequelae (E64.3)
vitamin D-resistant osteomalacia (E83.31)
vitamin D-resistant rickets (active) (E83.31)

Frequently asked questions

What is ICD-10 code M83?

M83 is the ICD-10-CM code for adult osteomalacia, in the block M80-M85 (Disorders of bone density and structure).

Is M83 a billable code?

No. M83 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.