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Q78.8

Q78.8: Other specified osteochondrodysplasias

Billable / specific codeICD-10-CMPOA exempt

Q78.8 is a billable, specific ICD-10-CM code for other specified osteochondrodysplasias. It is valid for submission on a claim.

Check Q78.8 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Osteopoikilosis

Excludes2 inherited from the categories above Q78.8

Not part of this code, but both may be coded when both are present.

Written on Q78: Other osteochondrodysplasias

  • congenital myotonic chondrodystrophy (G71.13)

Other codes that can never be billed with Q78.8

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • M85Other disorders of bone density and structure

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q78.8 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56907Billing and Coding: Bisphosphonate Drug Therapy
  • A57204Billing and Coding: MRI and CT Scans of the Head and Neck
  • A59561Billing and Coding: Bisphosphonate Drug Therapy

Alphabetic index entries that lead here

  • Caffey's syndrome
  • Leri's pleonosteosis
  • Osteopathia condensans disseminata
  • Osteopoikilosis
  • Stippled epiphyses
  • Synostosis(congenital)
  • Abnormal, abnormality, abnormalities›synchondrosis
  • Chondrodysplasia›metaphyseal(Jansen's) (McKusick's) (Schmid's)
  • Dysplasia›craniometaphyseal
  • Hypoplasia, hypoplastic›cartilage hair
  • Osteochondrodysplasia›specified NEC
  • Segmentation, incomplete›bone NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q78

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.