Q89.9 Congenital malformation, unspecified

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Congenital anomaly NOS
• Congenital deformity NOS

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• 759.9 Congenital anomaly, unspecified

Diagnosis Index entries for Q89.9

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

Nearby codes

• Q89.4 Conjoined twins
• Q89.7 Multiple congenital malformations, not elsewhere classified
• Q89.8 Other specified congenital malformations
• Q89.81 Kabuki syndrome
• Q89.89 Other specified congenital malformations
• Q89.9 Congenital malformation, unspecified (this code)