G6046 Dihydromorphinone | HCPCS Reimbursement

HCPCS Level II code G6046 designates Dihydromorphinone, an opioid analgesic used in clinical pain management. Nationally, accurate coding for opioid medications is important for claims processing, monitoring controlled substance utilization, and ensuring appropriate reimbursement for medication administration and dispensing. HCPCS codes like G6046 help standardize billing for drug therapies provided in outpatient clinics, infusion centers, and pharmacies.

Key payers relevant to this code include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of what G6046 represents clinically, common sites of service where the drug is administered, and an outline of topics typically addressed in payer analyses: coverage benchmarks, coding and billing considerations, and clinical context for use of opioid analgesics. The publication summarizes available policy considerations and benchmarking approaches used by major payers, and indicates where data was not provided in the input.

This summary is intended for a national audience of billing professionals, revenue cycle managers, and clinical coders seeking concise context on HCPCS Level II code G6046 and its role in billing for opioid medication administration.

Billing Code Overview

HCPCS Level II code G6046 identifies Dihydromorphinone, an opioid analgesic compound used for pain management. The service type inferred from the code description is pharmacologic therapy / medication administration. The typical site of service is outpatient infusion or administration setting, pharmacy dispensing, or clinic-based medication administration.

Data not available in the input.

Clinical Context

A typical patient is an adult with severe, acute-on-chronic pain refractory to oral opioid therapy who presents to a specialty pain clinic or hospital outpatient infusion center for parenteral opioid administration. The drug described by G6046 (dihydromorphinone, an opioid analgesic) is prepared by pharmacy and administered intravenously or subcutaneously under monitored conditions. The workflow includes review of prior opioid use and allergies, informed consent, vitals and baseline respiratory assessment, medication administration by a trained registered nurse, and post-administration monitoring for sedation and respiratory depression. Billing uses the HCPCS Level II code G6046 with modifier TC when only the technical component (drug supply and administration resources) is billed by the facility. Typical sites of service are hospital outpatient departments, ambulatory infusion centers, or skilled nursing facilities where parenteral opioid dosing is required for acute pain control or as part of procedural analgesia.

Coding Specifications

Modifier	Description	When to Use
`TC`	Technical component	Use when the facility is billing for the drug supply and administration resources only (nursing, infusion equipment) and the professional component is billed separately.

Taxonomy Code	Specialty	Notes
`2084P0800X`	Pain Medicine	Specialists who frequently manage parenteral opioid administration in clinic and infusion settings.
`208D00000X`	Emergency Medicine	Providers who may order and oversee parenteral opioid administration in emergency departments.
`363L00000X`	Anesthesiology	Anesthesiologists or CRNAs involved when opioid is used for procedural analgesia or monitored anesthesia care.
`207R00000X`	Family Medicine	Primary care physicians who may coordinate inpatient or outpatient infusion therapy for pain control.
`221E00000X`	Internal Medicine	Hospitalists and internists who manage inpatient parenteral opioid therapy.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`G89.3`	Neoplasm related pain (acute)	Parenteral opioids like dihydromorphinone are used for severe cancer-related pain requiring potent parenteral analgesics.
`G89.4`	Chronic pain syndrome	Patients with refractory chronic pain may receive supervised parenteral opioid therapy in specialty settings.
`M54.5`	Low back pain	Acute exacerbations of severe low back pain not controlled with oral analgesics can require parenteral opioid administration.
`S39.012A`	Strain of muscle, fascia and tendon of lower back, initial encounter	Acute musculoskeletal injuries with severe pain sometimes require parenteral opioid for initial control.
`R52`	Pain, unspecified	Used when severe pain is the primary reason for parenteral opioid administration pending a more specific diagnosis.
`T40.2X5A`	Poisoning by other opioids, accidental (initial encounter)	Documentation is relevant when treating or differentiating opioid-related adverse events during administration; may guide monitoring and reversal decisions.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`96360`	Intravenous infusion, hydration; initial, 31 minutes to 1 hour	May be billed when hydration infusion is provided in the same visit where parenteral opioid administration occurs and is distinct.
`96361`	Intravenous infusion, hydration; each additional hour	Billed for additional hours of infusion pump use when prolonged monitoring/infusion accompanies opioid administration.
`96365`	Intravenous infusion, therapeutic, prophylactic, or diagnostic; initial, up to 1 hour	Commonly billed for therapeutic intravenous infusions delivering medications such as `G6046` when administration time falls within the service definition.
`96366`	Intravenous infusion; each additional hour	Used when the therapeutic infusion extends beyond the initial hour.
`99212`	Office or other outpatient visit for the evaluation and management of an established patient, typically 10 minutes	May be billed for an E/M visit that documents evaluation directly related to the decision to administer parenteral opioid if criteria for separate reporting are met.
`99283`	Emergency department visit for the evaluation and management of a patient, moderate complexity	Billed in emergency settings when evaluation leads to administration of parenteral opioid analgesia as part of ED care.

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Summary & Overview

HCPCS G6046: Dihydromorphinone medication administration