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2025 HCPCS code S9373

Home infusion therapy, intermittent hydration; includes administrative, pharmacy, and coordination services, plus supplies and equipment (drugs and nursing visits billed separately), per diem.

Follow HCPCS coding guidelines.This code is not recognized by Medicare.Bill separately for drugs and nursing visits.

Modifiers may apply depending on the circumstances. Consult payer-specific guidelines.

Medical necessity is established when the patient's clinical condition (e.g., severe dehydration) necessitates intravenous hydration and the patient is unable to tolerate oral intake adequately. Documentation must support the need for home infusion therapy and the daily volume of fluids administered.

Home infusion provider pharmacy;clinical oversight may involve physicians or nurses depending on the complexity of the case.The provider is responsible for safe administration, coordination of care, and monitoring the patient's response to therapy.

IMPORTANT:Do not use with S9374-S9377 (hydration therapy codes specifying daily volume scales). Consider using this code for fluid volumes under one liter.

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.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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