C9113 Injection Pantoprazole Reimbursement

HCPCS Level II code C9113 denotes a single vial of injectable pantoprazole sodium, a proton pump inhibitor used for short-term management of acid-related conditions in settings requiring parenteral therapy. Nationally, this code matters because injectable formulations are used in hospitals and outpatient infusion centers when oral administration is not feasible or rapid acid suppression is required. Accurate coding affects billing, inventory management, and hospital pharmacy reimbursement.

Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the clinical context for injectable pantoprazole, typical sites of service where the code is used, and the billing environment surrounding parenteral proton pump inhibitors. The publication also summarizes benchmark payment considerations and common modifier usage observed with similar HCPCS Level II pharmaceutical codes.

The report equips revenue cycle, pharmacy, and clinical staff with a concise reference to the code’s clinical purpose, payer coverage landscape, and operational implications for hospital and outpatient infusion settings. Data not available in the input.

Billing Code Overview

HCPCS Level II code C9113 represents Injection, pantoprazole sodium, per vial. This code describes a single vial formulation of the proton pump inhibitor pantoprazole administered by injection. The service type is an injectable pharmaceutical administration for acid suppression therapy. The typical site of service is inpatient hospital (including acute care and observation) and outpatient hospital clinic or infusion center where intravenous or intramuscular medications are provided.

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Clinical Context

A 68-year-old hospitalized patient with a history of recurrent upper gastrointestinal bleeding secondary to peptic ulcer disease is admitted for acute anemia and hemodynamic monitoring. The patient receives intravenous pantoprazole sodium for acid suppression to stabilize clot formation and reduce rebleeding risk after endoscopic hemostasis. The clinical workflow includes: initial assessment by an emergency or hospitalist team, ordering of IV pantoprazole as C9113 per vial for infusion or push depending on Pharmacy preparation, verification and compounding by inpatient pharmacy, administration by a registered nurse in the inpatient unit or endoscopy recovery area, monitoring for efficacy and adverse reactions, and documentation of dose, vial units used, lot number, and IV route in the medical record.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when significant additional work or complexity is required for administration beyond typical preparation or monitoring (rare for standard IV drug administration).
`23`	Unusual anesthesia

Taxonomy Code	Specialty	Notes
`207P00000X`	Gastroenterology	Endoscopists commonly order IV pantoprazole for bleeding peptic ulcer management.
`207L00000X`	General Surgery	Surgeons may use IV pantoprazole perioperatively for upper GI bleeding or ulcer disease.
`207RP1002X`	Hospitalist/Internal Medicine	Hospital-based physicians frequently manage IV PPI therapy for admitted patients.
`363A00000X`	Pharmacy	Clinical pharmacists are responsible for compounding, dispensing, and dosing verification of IV pantoprazole.
`163W00000X`	Anesthesiology	Anesthesiologists may be involved when drug administration coincides with anesthetized procedures.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`K25.0`	Acute gastric ulcer with hemorrhage	IV pantoprazole `C9113` is used to suppress acid and promote clot stability after bleeding gastric ulcers.
`K26.0`	Acute duodenal ulcer with hemorrhage	Acid suppression with IV pantoprazole is standard care for bleeding duodenal ulcers.
`K29.01`	Acute haemorrhagic gastritis	IV PPI therapy may be indicated to control acid-related bleeding.
`I85.01`	Esophageal varices with bleeding	While vasoactive agents are primary, IV PPIs may be used if variceal bleeding coexists with mucosal lesions.
`R04.0`	Hemoptysis	Not a primary indication for pantoprazole; included only when concurrent GI bleeding evaluation is occurring (use clinical judgment).

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`43239`	Upper gastrointestinal endoscopy with biopsy, single or multiple	Endoscopic evaluation and potential hemostasis for bleeding ulcers; IV pantoprazole `C9113` administered before/after the procedure to reduce rebleeding risk.
`43255`	Esophagogastroduodenoscopy (EGD) with control of bleeding, any method	Therapeutic endoscopy for peptic ulcer bleeding where IV pantoprazole supports post-procedure hemostasis.
`99100`	Anesthesia for procedures on salivary glands, mouth, throat when concurrent with other procedures; miscellaneous	Represents monitoring/anesthesia services that may accompany endoscopic or operative procedures during which IV pantoprazole is given.
`96372`	Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular	Used when an injectable medication is administered; although `C9113` is a HCPCS vial supply code, related administration CPT may be billed when appropriate.
`96365`	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	Used when an infusion setup and administration time applies for IV pantoprazole dosing in an inpatient or infusion setting.

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Summary & Overview

HCPCS C9113: Injection, Pantoprazole Sodium, Per Vial