Home › Drug Codes › J Codes › J1212 · RIMSO-50
Updated July 1st, 2026

RIMSO-50 J Code: J1212

Injection, dmso, dimethyl sulfoxide, 50%, 50 ml

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Q4 2026 Medicare Payment Limit for J1212, effective October 1, 2026: $748.813 per HCPCS billing unit, unchanged from Q3 2026. From CMS's final file.

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Medicare Payment Limit ?
$748.879
/ HCPCS billing unit · Q3 2026
APC Payment Limit ?
$748.879
/ HCPCS billing unit · APC 1832
ASP ?
$•••.••
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WAC · AWP ?
$•••.••
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NDCs Crosswalked ?
1
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Drug & Product Overview

HCPCS Descriptor Injection, dmso, dimethyl sulfoxide, 50%, 50 ml
HCPCS Added Date January 1, 1986
Manufacturer Mylan Pharmaceuticals
Route of Administration Intravesical
Generic Status Single-Source; Branded
Dosage Form Irrigant

About RIMSO-50

Rimso-50 is a medication aligned to the HCPCS J Code: J1212 for billing, pricing, and reimbursement purposes in the United States. This Misc. medication is administered via the intravesical route and manufactured by Mylan Pharmaceuticals.

According to CMS Drug Use Information: This medication is used to treat a certain bladder condition (interstitial cystitis). Dimethyl sulfoxide is also known as DMSO. It is believed to reduce swelling and pain due to interstitial cystitis and may improve blood supply to the treated area.

Disclaimer: This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional.

NDC Code Information

Based on publicly available CMS files. The list of NDCs below is not exhaustive.

NDC Code Drug Manufacturer Billing Units / Pkg Package Size
67457-0177-50 Rimso-50 Mylan Institutional LLC 1 Rimso-50 Intravesical Irrigant 27 GM/5… Login for More
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RIMSO-50 Pricing & Reimbursement

J1212 Private Payer Reimbursement
$749.77 / HCPCS unit as of Jan 2026

National median reimbursement across major commercial payers.

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UnitedHealthcare, BlueCross BlueShield, Aetna, Cigna

Historical Graphing and Billing Calculator

per HCPCS unit
As of Q3 2026

RIMSO-50 Medically Unlikely Edits (MUE)

The most billing units of J1212 Medicare will pay for one patient in one day, as published by CMS. 1 unit = 50 ml.

Practitioner Office & Hospital Outpatient
1 unit / day
= 50 ml per day

MAI 3 · Date of Service Edit: Clinical. Per-day limit based on clinical expectations; excess units are denied but may be appealed with documentation of medical necessity. See all MUE limits →

ml Enter a dose to see how many billing units it is and whether it is under the limit.
Not on the CMS JW / JZ list

CMS does not include Rimso-50 (J1212) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J1212. Wastage billing guide →

RIMSO-50 Clinical Information

Indications and drug classification.

Treated Diseases & Conditions

This list of indications is not exhaustive and may be subject to errors. The information on BuyandBill.com is intended for informational purposes only and should not be used for medical advice.

Interstitial cystitis

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Frequently Asked Questions

Is there an available Rimso-50 billing and coding guide?
Our team has not identified a manufacturer-published source of billing and coding information for RIMSO-50.
Are there any available Rimso-50 patient assistance programs?
RIMSO-50 patient assistance information can be found through Mylan. Visit Here →
Where can I find Rimso-50 prescribing information?
RIMSO-50 prescribing information can be found at the link below: Visit Here →
Where can I find Rimso-50 side effect information?
Our team has not yet identified a source of side effects information for RIMSO-50. Please check back in a few weeks.
Does billing RIMSO-50 require JZ/JW wastage modifiers?
CMS does not include RIMSO-50 (J1212) on its list of HCPCS pertaining to single-dose containers. Per CMS guidelines, the JZ/JW wastage modifiers may not apply when billing J1212. For more information, visit the link below.

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