Table 1.

Population Studied: MAC-Eligible Children Who Used Ambulatory Care

Child-Quarters (n = 1.2 million)Children (n = 158‚ÄČ025)
Mean age (y)4.83.3
AFDC77%68%
SSI4%2%
MA19%30%
Female50%51%
Black56%53%
White40%43%
Baltimore City36%34%
Chronic disease26%9%
  • Chronic disease is defined as having a first or second ICD-9-CM listed on a claim in one of the following categories: 042-4 (HIV infection), 277 (other immune deficiencies), 250 (diabetes), 282.6 (sickle cell anemia), 745-747.6 (cardiac anomalies), 140-208 (malignancies), 210-229 (benign neoplasms, hemangiomas), 230-234 (carcinoma in situ), 235-239 (other neoplasms), 493 (asthma), 585-6 (renal disease), 758 (chromosomal anomalies), 759 (congenital anomalies), 318 (mental retardation), 343 (cerebral palsy), and 277 (metabolic disorders, cystic fibrosis).