Webinars & training

bili-ruler™

Noninvasive neonatal jaundice screening

  • Noninvasive
  • Clinically validated
  • No batteries or electricity

The bili-ruler™ is an affordable, noninvasive neonatal jaundice screening tool designed to help healthcare providers identify newborns who may be at risk for elevated bilirubin levels. Using a clinically validated, six-shade color comparison scale, this simple handheld device supports early identification and timely referral for further evaluation.

Clinician holding the bili-ruler™ over an infant mannequin
Features & benefits

Why care teams choose bili-ruler™

  1. 01

    Noninvasive jaundice screening

    Uses gentle skin blanching and a six-shade color comparison scale to assess jaundice without needles, blood draws, or electronic equipment.

  2. 02

    Clinically validated accuracy

    Demonstrated 90.1% sensitivity, 85.9% specificity, and 97.9% negative predictive value for detecting elevated transcutaneous bilirubin at a defined screening threshold in a study of 790 newborns.

  3. 03

    Affordable & accessible

    Provides a low-cost screening alternative to expensive electronic bilirubin meters, requiring no batteries, electricity, or digital connectivity.

  4. 04

    Simple, user-friendly design

    Integrated lighting indicator, risk assessment tool, and step-by-step instructions for consistent screening and interpretation.

  5. 05

    Portable

    Practical screening solution for hospitals, pediatric offices, community health programs, and resource-limited settings.

See it in action

bili-ruler™ in use.

The bili-ruler™ and its screening guide
Contact us

Let’s talk.

Questions about our products, distribution, trade shows, investment or press? Send us a message and the right person on our team will get back to you.

70 Tower Office Park, Woburn, MA 01801, United States
(781) 725-2460 · info@littlesparrowstech.com

    Almost there

    Download the bili-hut™ sell sheet

    Tell us a little about you to continue.