Phototherapy Calculator

Determine phototherapy thresholds based on bilirubin levels and gestational age.

Postnatal Age(hours)

Age from birth in hours (0-336, i.e. up to 14 days)

Gestational Age at Birth

Total Serum Bilirubin (TSB)(micromol/L)

Previous Bilirubin Level (optional)(micromol/L)

For IVIG assessment and rate of rise calculation

Hours Between 2 Levels (optional)(hours)

Time between current and previous bilirubin measurement

Disclaimer: These calculators are for educational and clinical decision support only. Always verify calculations and apply clinical judgment. Not a substitute for professional medical advice.