---
title: "BillingBrief: medical billing codes in plain English"
description: "Look up CPT, ICD-10-CM, and HCPCS codes and get a short, plain-English explanation. Built for medical coders, billers, and clinic staff."
canonical: "https://billingbrief.com/"
language: "en"
---

# Medical billing codes.
In plain English.

A quick reference for coders, billers, and clinic staff.

## Common lookups

-   [`99214` Established patient office visit, moderate complexity CPT](https://billingbrief.com/cpt/99214/)
-   [`99213` Established patient office visit, low complexity CPT](https://billingbrief.com/cpt/99213/)
-   [`F41.9` Anxiety disorder, unspecified ICD-10-CM](https://billingbrief.com/icd10/f41.9/)
-   [`I10` Essential (primary) hypertension ICD-10-CM](https://billingbrief.com/icd10/i10/)
-   [`E11.9` Type 2 diabetes mellitus without complications ICD-10-CM](https://billingbrief.com/icd10/e11.9/)
-   [`90837` Psychotherapy, about 60 minutes CPT](https://billingbrief.com/cpt/90837/)
-   [`G2211` Visit complexity inherent to evaluation and management associated with medical care… HCPCS](https://billingbrief.com/hcpcs/g2211/)
-   [`Z00.00` Encounter for general adult medical examination without abnormal findings ICD-10-CM](https://billingbrief.com/icd10/z00.00/)

## Find your way in.

-   [CPT codes](https://billingbrief.com/cpt/)

    Procedures and services.

-   [ICD-10-CM codes](https://billingbrief.com/icd10/)

    Diagnoses and reasons for a visit.

-   [HCPCS codes](https://billingbrief.com/hcpcs/)

    Supplies, equipment, and services.

## A little more context

-   [ICD-10 codes for anxiety](https://billingbrief.com/guides/icd-10-codes-for-anxiety/)

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).