Welcome to FLASH CODE | Medical Coding Software The #1 ranked medical coding software. Provides lightning fast ICD-9-CM, CPT, and HCPCS code searches, PLUS: Unbundling edits, Medical Necessity codes, RBRVS, DME, and LAB fee schedules. Developed by Medical Coding and Compliance Solutions, LLC (MCCS), A Division of Practice Management Information Corporation (PMIC).