What is a diagnosis code?

A diagnosis code explains the medical or mental health condition your provider treated during your visit. These codes follow the ICD-10 format (International Classification of Diseases, 10th Revision) and are required by insurance companies to process claims.

Format

ICD-10 codes are usually a mix of letters and numbers, typically in this structure:

A00.0, F32.1, R51

Examples

F32.1 – Major depressive disorder, moderate

F41.1 – Generalized anxiety disorder

R51 – Headache

K21.9 – Gastroesophageal reflux disease (GERD), unspecified

Your provider includes the appropriate diagnosis codes on your superbill. You don’t need to know them in advance. Just make sure your superbill is complete when uploading to MySuperbills.