Medical Coding FAQ
Frequently asked questions about ICD-10, CPT, HCPCS Level II coding, and medical code auditing compliance.
What is the difference between CPT and ICD-10 codes?
CPT (Current Procedural Terminology) codes describe the specific medical services, procedures, or diagnostics performed by a provider. ICD-10 codes describe the patient's diagnosis, condition, or symptoms. Clean billing requires linking CPT codes correctly to supporting ICD-10 diagnoses.
What are coding modifiers and why are they important?
Modifiers are two-digit codes appended to CPT codes to provide additional context (e.g., modifier 25 for a separate E/M visit on the same day as a procedure). Incorrect modifier usage is a leading cause of claim denials and audit risk.
How often are medical codes updated?
CPT and HCPCS codes are updated annually on January 1st. ICD-10 codes are updated annually on October 1st. VOPSS certified coders participate in annual education to stay compliant with all code changes.
Do you offer coding audit services?
Yes, we perform regular coding audits for our clients to verify documentation accuracy, ensure compliance with billing rules, and identify opportunities to optimize E/M coding levels.
Still have questions?
Our medical billing and coding professionals are here to help. Contact us to speak with a billing expert today.

