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ICD-10-CM Coding Guidelines - Congenital Malformations, Deformations, and Chromosomal Abnormalities (Chapter 17)
 
 

ICD-10-CM Coding Guidelines - Congenital Malformations, Deformations, and Chromosomal Abnormalities (Chapter 17)

 

Congenital diseases and conditions are acquired in utero or at birth. They progress and persist throughout a person's life. These conditions can be caused from maternal complications, abnormal development, genetic abnormalities, and teratogenic agents. Chapter 17 of ICD-10-CM is titled "Congenital Malformations, Deformations, and Chromosomal Abnormalities," which includes categories Q00-Q99.

  • Q00-Q07 Congenital Malformations of the Nervous System – Codes in this subsection correspond with those in categories 740-743 in ICD-9-CM. Conditions include a variety of disorders of the nervous system and brain.

  • Q10-Q18 Congenital Malformations of Eye, Ear, Face, and Neck - Codes in this subsection correspond with those in categories 743-744 in ICD-9-CM. Conditions include various disorders of the anterior eye segment, posterior eye segment, eyelid, lacrimal apparatus, and eyeball.

  • Q20-Q28 Congenital Malformations of the Circulatory System - Codes in this subsection correspond with those in categories 745-747 in ICD-9-CM. Conditions include various cardiac malformations.

  • Q30-Q34 Congenital Malformations of the Respiratory System - Codes in this subsection correspond with those in category 748 in ICD-9-CM. Conditions include malformations of the nose, larynx, bronchus, trachea, and lung.

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  • Q35-Q37 Cleft Lip and Cleft Palate - Codes in this subsection correspond with those in category 749 in ICD-9-CM. Conditions include cleft hard palate, soft palate, uvula, and lip.

  • Q38-Q45 Other Congenital Malformations of the Digestive System - Codes in this subsection correspond with those in categories 750-751 in ICD-9-CM. Conditions include malformations of the mouth, tongue, larynx, esophagus, small intestine, large intestine, gallbladder, bile ducts, and liver.

  • Q50-Q56 Congenital Malformations of Genital Organs - Codes in this subsection correspond with those in category 752 in ICD-9-CM. Conditions include ambiguous genitalia, and various genital malformations.

  • Q60-Q65 Congenital Malformations of the Urinary System - Codes in this subsection correspond with those in category 753 in ICD-9-CM. Conditions include congenital malformations of the kidneys, ureters, bladder, urethra, and bladder neck.

  • Q65-Q79 Congenital Malformations and Deformations of the Musculoskeletal System - Codes in this subsection correspond with those in categories 754-756 in ICD-9-CM. Conditions include deformities of the feet, head, face, spine, chest, muscle, fingers, and more.

  • Q80-Q89 Other Congenital Malformations - Codes in this subsection correspond with those in categories 757-759 in ICD-9-CM. Conditions include congenital ichthyosis, epidermolysis bullosa, phakomatoses, and more.

  • Q90-Q99 Chromosomal Abnormalities, NEC - Codes in this subsection correspond with those in category 758 in ICD-9-CM. Conditions include Down syndrome, trisomy 18, trisomy 13, and more.

General Guidelines

  • If a child is born with a congenital anomaly, the first-listed code should be Z38, Liveborn infant, followed by a code from Q00-Q89.

  • When reporting code Q13.1, Absence of iris, or code Q13.81, Rieger's anomaly, the coder should assign a secondary code of H42 to report associated glaucoma.

  • When coding for Q-35-Q37 Cleft Lip and Cleft Palate, a secondary code of Q30.2, Fissured, notched, and cleft nose, should be assigned if there is documentation of this malformation.

  • When reporting codes from category Q87, the coder must assign additional codes to identify any manifestations.

 
 
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