ICD-10/M83.9

M83.9 ICD 2026 Code: Adult osteomalacia, unspecified

M83.9 is the authoritative medical code for Adult osteomalacia, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for adult osteomalacia, unspecified (ICD-10-CM M83.9), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Adult osteomalacia, unspecified is a billable ICD-10-CM diagnosis code M83.9. 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.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M83.9 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • 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 (FAQ) & Clinical Guidance

What can't be coded together with M83.9?

Per Excludes1 instructions, M83.9 must not be reported with: infantile and juvenile osteomalacia (E55.0); renal osteodystrophy (N25.0); rickets (active) (E55.0); rickets (active) sequelae (E64.3).

Codes in This Family (8)

Official ICD-10-CM classifications in the same code family as M83.9, with their registry titles.

  • M83 — Adult osteomalacia
  • M83.0 — Puerperal osteomalacia
  • M83.1 — Senile osteomalacia
  • M83.2 — Adult osteomalacia due to malabsorption
  • M83.3 — Adult osteomalacia due to malnutrition
  • M83.4 — Aluminum bone disease
  • M83.5 — Other drug-induced osteomalacia in adults
  • M83.8 — Other adult osteomalacia

Indexed Clinical Terms (3)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Malacia, bone (adult)
  • Osteomalacia
  • Osteomalacia, adult

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code M79.9 Soft tissue disorder, unspecified
ICD Code M84.9 Disorder of continuity of bone, unspecified
ICD Code M85.9 Disorder of bone density and structure, unspecified
ICD Code M86.9 Osteomyelitis, unspecified
ICD Code M87.9 Osteonecrosis, unspecified
ICD Code M88.9 Osteitis deformans of unspecified bone
MedCoder.aiClinical Desktop