In simple words: This code covers the costs of providing intravenous fluids at home for dehydration, such as from diarrhea or vomiting.It includes the planning, pharmacy services, and supplies, but does not include the cost of the fluids themselves or the nurses who give the fluids.

This HCPCS code represents home infusion therapy for intermittent hydration.It encompasses administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment.Drugs and nursing visits are billed separately.The code is billed per diem (per day) and should not be used with codes S9374-S9377, which specify daily volume scales.This code is for hydration therapy with a fluid volume of less than one liter or when no more specific code exists for the prescribed volume.

Example 1: A patient with severe gastroenteritis is discharged from the hospital with dehydration and requires intravenous hydration at home.S9373 is used to bill for each day of home hydration therapy, with separate billing for the fluids and nursing visits., A patient with a chronic condition experiencing severe nausea and vomiting requires intermittent intravenous hydration support for several days to improve hydration status.The daily cost of coordinating services, pharmacy involvement, and equipment are covered by S9373., An elderly patient with limited oral intake due to swallowing difficulties requires daily intravenous hydration for nutritional support.S9373 is used to bill for each day of therapy, with separate coding for the hydration fluid and nursing services.

Physician's order for intravenous hydration, medication administration record, pharmacy dispensing records, and detailed notes documenting the patient's response and any complications.

** This code is primarily used by non-Medicare payers.Ensure compliance with all payer-specific guidelines and documentation requirements. Always refer to the most up-to-date coding manuals and payer instructions.