---
title: "HCPCS J2550: Injection, promethazine hcl, up to 50 mg | BillingBrief"
description: "HCPCS code J2550: Injection, promethazine hcl, up to 50 mg. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/hcpcs/j2550/"
language: "en"
---

# J2550 Injection, promethazine hcl, up to 50 mg

HCPCS · [CMS code reference](#source)

**Official HCPCS description:** Injection, promethazine hcl, up to 50 mg

## Related codes

-   [`J2250` Injection, midazolam hydrochloride, per 1 mg HCPCS](https://billingbrief.com/hcpcs/j2250/)
-   [`J2270` Injection, morphine sulfate, up to 10 mg HCPCS](https://billingbrief.com/hcpcs/j2270/)
-   [`J2315` Injection, naltrexone, depot form, 1 mg HCPCS](https://billingbrief.com/hcpcs/j2315/)
-   [`J2357` Injection, omalizumab, 5 mg HCPCS](https://billingbrief.com/hcpcs/j2357/)
-   [`J2405` Injection, ondansetron hydrochloride, per 1 mg HCPCS](https://billingbrief.com/hcpcs/j2405/)
-   [`J2795` Injection, ropivacaine hydrochloride, 1 mg HCPCS](https://billingbrief.com/hcpcs/j2795/)

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system).
HCPCS Level II, October 2026 quarterly file.

Code set

HCPCS

Short name

Promethazine hcl injection

Section

Drugs administered other than oral method

Added to HCPCS

1982-01-01

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/).