Short Description Injection, famotidine, 20 mg Procedure Note 0088 = S CODES ARE UNIQUE TEMPORARY CODES ESTABLISHED BY BCBSA AND HIAA FOR PRIVATE PAYOR USE. Code used to identify the appropriate methodology for developing unique pricing amounts under part B. A procedure may have one to four pricing codes. Healthcare Common Procedure Coding System Code S0028 (0010),Injection, famotidine, 20 mg Code More Correctly with Fewer Denials thanks to HCPCS code search tied to specialty-specific advice from the original Coding Alerts and Survival Guides published by the Coding Institute. HCPCS code S0028 for Injection, famotidine, 20 mg as maintained by CMS falls under Non-Medicare Drug Codes. Hello. I am new to billing for chemo. I am trying to bill Famotidine 20 mg to Medicare w/ CPT S0028, however, they do not recognize this CPT. Is there another CPT that I can bill to Medicare for Famotidine(I was thinking maybe J3490)?? Code used to identify the appropriate methodology for developing unique pricing amounts under part B. A procedure may have one to four pricing codes. January 2019 NDC - HCPCS Crosswalk. Effective January 1, 2019 through March 31, 2019 S0028 - Injection, famotidine, 20 mg The above description is abbreviated. This code description may also have Includes , Excludes , Notes, Guidelines, Examples and other information. HCPCS Code S0028 for Injection, famotidine, 20 mg. A modifier provides the means by which the reporting physician or provider can indicate that a service or procedure that has been performed has been altered by some specific circumstance but not changed in its definition or code.