Appendix A

The Michigan Birth Defects registry uses the 9th revision to the International Classification of Diseases (ICD-9-CM) to code diagnosis.  Diagnostic Code Groupings used for congenital anomaly codes were established by the Centers for Disease Control.

Birth Defect Groups and ICD-9-CM Diagnosis Codes

Congenital Anomalies (740 - 759)

Diagnostic Grouping and Description ICD-9-CM Code
   
A. Congenital Anomalies of the Central Nervous System 740-742
  A01. Anencephalus 740.0,740.1
  A02. Spina Bifida w/o Anencephaly 741.0, 741.9, w/o 740.0 or 740.1
  A03. Hydrocephalus w/o Spina Bifida 742.3 w/o 741.0 or 741.9
  A04. Encephalocele 742.0
  A05. Microcephalus 742.1
   
B. Congenital Anomalies of the Eye 743
  B01. Anopthalmos/Micropthalmos 743.00-743.06, 743.10-743.12
  B02. Congenital Cataract 743.30 - 743.34
  B03. Aniridia 743.45
   
C. Congenital Anomalies of the Ear, Face and Neck 744
  C01. Anotia/Microtia 744.01,744.23
   
D. Congenital Anomalies of the Heart and Circulatory System 745-747
  D01. Common Truncus 745.0
  D02. Transposition of Great Vessels 745.10, 745.11, 745.12, 745.19
  D03. Tetralogy of Fallot 745.2
  D04. Ventricular Septal Defect 745.4
  D05. Atrial Septal Defect 745.5
  D06. Endocardial Cushion Defect 745.60, 745.61, 745.69
  D07. Pulmonary Valve Atresia and Stenosis 746.01, 746.02
  D08. Tricuspid Valve Atresia and Stenosis 746.1
  D09. Ebstein's Anomaly 746.2
  D10. Aortic Valve Stenosis 746.3
  D11. Hypoplastic Left Heart Syndrome 746.7
  D12. Patent Ductus Arteriosis 747.0
  D13. Coarctation of Aorta 747.10
  D14. Pulmonary Artery Anomalies 747.3
   
E. Congenital Anomalies of the Respiratory System 748
  E01. Lung Agenesis/Hypoplasia 748.5
  E02. Choanal Atresia 748.0

Birth Defect Groups and ICD-9-CM Diagnosis Codes
(Continued)

Congenital Anomalies (740 - 759)

Diagnostic Grouping and Description ICD-9-CM Code
   
F. Cleft Palate and Cleft Lip 749
  F01. Cleft Palate 749.00 - 749.04 w/o Cleft Lip 749.1 or 749.2
  F02. Cleft Lip w and w/o Cleft Palate 749.1, 749.2
   
G. Congenital Anomalies of the Upper Alimentary Canal/ Digestive System 750-751
  G01. Esophageal Atresia/ Tracheoesophageal Fistula 750.3
  G02. Rectal and Large Intestinal Atresia/Stenosis 751.2
  G03. Pyloric Stenosis 750.5
  G04. Hirshsprung's Disease (congenital megacolon) 751.3
  G05. Biliary Atresia 751.61
   
H. Congenital Anomalies of the Genital and Urinary Systems 752 - 753
  H01. Renal Agenesis/Hypoplasia 753.0
  H02. Bladder Exstrophy 753.5
  H03. Obstructive Genitourinary Defects 753.20-753.29, 753.6
  H04. Hypospadias & Epispadias 752.61, 752.62
   
I. Congenital Anomalies of the Musculoskeletal System 754 - 756
  I01. Upper Limb Reduction Deformities 755.20 - 755.29
  I02. Lower Limb Reduction Deformities 755.30 - 755.39
  I03. Gastroschisis/Omphalocele 756.7
  I03(a) Omphalocele 756.72
  I03(b) Gastroschisis 756.73
  I03(c) Other and Unspecified Abdominal Wall Anomalies 756.79
  I04. Congenital Hip Dislocation 754.30, 754.31, 754.35
  I05. Diaphragmatic Hernia 756.6
   
J. Congenital Anomalies of the Integument 757
   
K. Chromosomal Anomalies 758
  K01. Trisomy 13 758.1
  K02. Down Syndrome 758.0
  K03. Trisomy 18 758.2
   
L. Other and Unspecified Congenital Anomalies 759

Birth Defect Groups and ICD-9-CM Diagnosis Codes
(Continued)

Other Reportable Conditions

Diagnostic Grouping and Description ICD-9-CM Code
   
M. Infectious Conditions Occurring in the Perinatal Period 090.0 - 090.9, 771.0 - 771.2
  M01. Syphilis 090.0-090.9
  M02. Other Infections 771.0 - 771.2
   
N. Familial/Congenital Neoplasms 237.70 - 237.73, 237.79
   
O. Endocrine/Metabolic Disorders 243, 252.1, 253.2, 253.8, 255.2, 255.8, 257.8, 259.4, 270.0 - 273.9, 275.3, 275.09, 277.0 - 277.9, 279.11, 279.2
   
P. Diseases of the Blood & Blood Forming Organs 282.0 - 282.9, 284.0, 286.0 - 286.9, 287.3
   
Q. Other Diseases of the Central and Peripheral Nervous System 330.1, 331.7, 331.89. 331.9, 334.1, 334.2, 335.0, 337.9, 343.0 - 343.9, 345.6, 348.0, 352.6, 356.0 - 356.9, 358.0 - 359.9
   
R. Other Diseases of the Eye 362.60 - 362.66, 363.20, 369.00 - 369.9, 377.16, 378.0 - 378.9, 379.50 - 379.59
   
S. Hearing Deficiency 389.00-389.08, 389.10-389.14, 389.18, 389.2, 389.8, 389.9, 744.00-744.05, 744.09
   
T. Other Diseases of the Heart & Circulatory System 425.0 - 425.4, 426.0, 426.10 - 427.42, 427.81 - 427.9, 434.0 - 434.9, 453.0
   
U. Other Diseases of the Gastrointestinal System 520.0 - 520.9, 524.00 - 524.19, 537.1, 550.00 - 550.93, 553.00 - 553.9, 560.2, 560.9, 565.1, 569.2, 569.81
   
V. Other Diseases of the Genital and Urinary Systems 593.3, 593.5, 593.82, 596.1, 596.2, 598.9, 599.1, 599.6, 619.0 - 619.9
   
W. Other Fetal/Placental Anomalies 653.7, 658.8
   
X. Other Musculoskeletal System Diseases 733.3
   
Y. Maternal Exposures Affecting Fetus 760
  Y01. Fetal Alcohol Syndrome 760.71