Here is a great source of reference, to access Medicare billing codes in one document. Here you will find Type of Bill (TOB) codes, Patient Status Codes, Reason Codes, MSP Value Codes, Condition Codes, Revenue Codes, HCPCS codes, etc. This code sheet is from CMS, last revised December 21, 2022. Click here to view the document. The Related Link is also listed below.
CMS - Home Health Medicare Billing Codes Sheet