Bylling is a mobile application for automating billing for medical service providers. Bylling conforms to HIPAA standards for data handling and auditing. Providers can fill out a digital form that automatically calculates billable credits in accordance with ICD-10 and ASA codes. The search feature allows providers to find and select the correct ICD codes and avoid making mistakes. This app is built using Ionic and AngularJS. Bylling supports both iOS and Android devices.