Venipuncture coding is easy, but there are rules: 1. Report a single unit of 36415, per episode of care, regardless of how many blood draws are performed. Buy medical coding book bundles: Pro Fee bundle, facility coder bundle, hospital coding and inpatient coder bundle – spiral bound, CPT, HCPCS, ICD-10-CM & PCS code books at best prices. Online medical coding solutions: Codify by AAPC easy CPT®, HCPCS, & ICD-10 lookup, plus crosswalks, CCI, MPFS, specialty coding publications & webinars.