CPT Code 90999
Official Description: “Unlisted dialysis procedure, inpatient or outpatient”.
How to use CPT 90999: You can use CPT 90999 to report dialysis services or procedures that are not specified otherwise.
Clinical responsibility: The provider performs a dialysis service or procedure not represented by any standard and active CPT® codes available.
Code: P9A
Description: DIALYSIS SERVICES (MEDICARE FEE SCHEDULE)
Source: https://www.aapc.com/codes/cpt-codes/90999