MCMedicalCodingSoftware
Q89.9

Q89.9: Congenital malformation, unspecified

Billable / specific codeICD-10-CMPOA exempt

Q89.9 is a billable, specific ICD-10-CM code for congenital malformation, unspecified. It is valid for submission on a claim.

Check Q89.9 with the rest of the claim: free scrubber

Inclusion terms

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

  • Congenital anomaly NOS
  • Congenital deformity NOS

Risk adjustment

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

Medicare coverage

Q89.9 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56414Billing and Coding: Endovenous Stenting
  • A56644Billing and Coding: Endovenous Stenting
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)
  • A57306Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

  • Anomaly, anomalous(congenital) (unspecified type)
  • Defect, defective
  • Deformity
  • Embryopathia NOS
  • Abnormal, abnormality, abnormalities›anatomical relationship
  • Abnormal, abnormality, abnormalities›development, developmental
  • Anomaly, anomalous›back
  • Anomaly, anomalous›organ
  • Deformity›abdomen, congenital
  • Deformity›lymphatic system, congenital
  • Malformation›umbilicus
  • Deformity›trunk›congenital

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q89

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.