TABLE 5.

Relation between maximum conjugated bilirubin level in the first 14 days after birth and ICD-9 diagnostic categories^*

Conjugated Bilirubin (mg/dL) 0.5–1.9 (N=4535)		Conjugated Bilirubin (mg/dL) 2–4.9 (N=167)		Conjugated Bilirubin (mg/dL) ≥ 5 (N=73)
Diagnostic Categories	Percent	Diagnostic Categories	Percent	Diagnostic Categories	Percent
No dx associated with cholestasis†	96%	No dx associated with cholestasis†	69%	Biliary disorder	47%
Severe bacterial infection†	2%	Liver disease	11%	Liver disease	42%
GI abnormality	1%	Biliary disorder	10%	GI abnormality	27%
Liver disease	0.3%	GI abnormality	10%	No dx associated with cholestasis†	27%
Biliary disorder	0.2%	Severe bacterial infection†	10%	Severe bacterial infection‡	18%
Viral hepatitis	0.04%	Viral hepatitis	2%	Viral hepatitis	6%

^*A single subject may have more than one ICD-9 diagnosis associated with cholestasis

^†Signifies that there was no ICD-9 code in disease categories associated with cholestasis

^‡Includes codes for diseases such as septicemia, meningitis and bacteremia