Loading...

    Explore
    • Policy Monitoring
    • Live Policy Feed
    • Billing Codes
    • Healthcare Providers
    • Health Insurance Payers
    • States
    • Service Lines
    • Taxonomy Codes
    Lookup tools
    • Billing Code Lookup
    • CPT Modifier Lookup
    • Provider Taxonomy Code Lookup
    • Healthcare Provider & Facility Lookup
    • Health Insurance Payer Lookup
    • Payer Contact Directory

    Policy & Benchmark Tools

    • Prior Authorization Lookup
    • Coverage Criteria Lookup
    • Timely Filing Lookup
    • Billing Code Reimbursement Rates
    • Payer Comparison Dashboard
    • Facility Comparison Dashboard
    • All tools

    Company

    • About OpenPayer
    • Data Sources
    • Trek Health
    OpenPayerby Trek Health
    LinkedInYouTube

    © 2026 Trek Health. All rights reserved.

    OpenPayer is built and maintained by Trek Health.

    v1.0.30
    OpenPayerBilling CodesEnteral and Parenteral TherapyHCPCS hcpcs-b4185-parenteral-nutrition-10g-lipids
    Ask Trek AI about this page

    HCPCS Level II B4185: Parenteral Nutrition Solution, 10g Lipids

    HCPCS Level II code B4185 describes a parenteral nutrition solution, not otherwise specified, containing 10 grams of lipids, intended as an enteral/parenteral nutrition supply for intravenous administration; service type: parenteral nutrition supply; typical site of service: inpatient hospital, outpatient infusion center, or home infusion.

    For related coverage guidance, see recent payer policy updates: Achalasia and Gastroesophageal Reflux Disease (GERD) - Minimally Invasive Procedures - Medical Policy, Percutaneous Electrical Nerve Field Stimulation for Functional Abdominal Pain Disorders, Percutaneous Electrical Nerve Field Stimulation for Disorders of Gut-Brain Interaction.

    Customize your policy alerts

    Sign up for hcpcs B4185 policy alerts

    Get alerted when payer policies referencing B4185 are released or updated.

    Monitor payer policy activity

    Receive email alerts as soon as relevant payer policies are published or updated.

    Table of contents

    Progress1 / 7

    Explore openpayer tools

    • Billing CodesCPT, HCPCS, DRG & more
    • Reimbursement RatesCommercial vs. Medicare rate reports
    • Facility ComparisonBeds, revenue & payer mix
    • ProvidersHospitals & facilities
    • PayersPlans & market footprint
    • Taxonomy CodesNUCC specialty codes
    • ModifiersCPT modifiers & usage
    • Prior AuthorizationPA policies by payer & drug
    • Timely FilingFiling deadlines by payer
    • Coverage CriteriaMedical necessity by payer
    • Payer ContactsClaims, PA & appeals contacts
    View all tools

    Clinical & Coding Specifications

    Clinical Context

    A typical patient receiving B4185 is an adult inpatient with inadequate oral or enteral intake requiring parenteral lipid supplementation as part of total parenteral nutrition (TPN). Example: a 58-year-old patient hospitalized for severe small bowel obstruction with prolonged ileus after multiple abdominal surgeries. The patient is nil per os for more than 7–10 days and has weight loss and negative nitrogen balance. A central venous catheter is placed, and the nutrition support team prescribes a parenteral nutrition solution that includes 10 grams of lipid emulsion represented by B4185 to provide essential fatty acids and non-protein calories.

    Clinical workflow:

    • Admission and nutritional assessment by hospitalist and dietitian, with calculation of caloric, protein, electrolyte, and lipid needs.

    • Order for parenteral nutrition written by the attending or consulting physician; pharmacy compounds or dispenses the parenteral solution including 10 g lipids per the prescribed formulation.

    • Central venous access placement (if needed) performed by interventional radiology or surgical team; catheter dressings and site care documented.

    • Administration by nursing with infusion pump, monitoring for infusion reactions, hypertriglyceridemia, and catheter complications.

    • Daily multidisciplinary review (physician, dietitian, pharmacist, nursing) with laboratory monitoring (triglycerides, electrolytes, glucose, liver function tests) and adjustment of PN components as indicated.

    • Billing: facility or outpatient infusion supplier bills B4185 to reflect the parenteral nutrition solution component of the compounded PN that contains 10 grams of lipids, using applicable modifiers for payer-specific circumstances.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    36460Administration of subcutaneous or intramuscular injection; initial 15 minutes of continuous infusion (note: used for billing infusion services when applicable)Used for documenting administration time-based components when infusion services for PN lipids are billed in procedural settings; may be applicable in outpatient infusion contexts.
    36465Injection of a substance directly into a catheter or port (accessing implanted port)Used when accessing a central venous port for administration of parenteral nutrition lipid components.
    36556Insertion of non-tunneled centrally inserted central venous catheter, age 5 years or older, with subcutaneous port or pump (for PN access procedures)Used when central venous access is obtained for TPN administration; relates to the access required for delivering B4185.
    36561

    Related Modifiers

    6 rows

    ModifierDescriptionWhen to Use
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    207R00000X
    174M00000X
    193200000X
    2083B0002X
    2085B0100X
    207RH0000X
    372500000X
    163WC1400X

    Related ICD-10-CM Codes

    28 rows

    ICD-10-CM CodeDescription
    A41.9Sepsis, unspecified organism
    B20Human immunodeficiency virus [HIV] disease
    C78.7Secondary malignant neoplasm of liver and intrahepatic bile duct
    D50.9Iron deficiency anemia, unspecified
    D63.0Anemia in neoplastic disease
    D64.9Anemia, unspecified
    E40Kwashiorkor
    E43Unspecified severe protein-calorie malnutrition
    E44.1Mild protein-calorie malnutrition
    E86.0Dehydration

    Showing 1–10 of 28

    Related Payer Policy Updates

    Specialty: Gastroenterology1 / 2

    10 rows

    PolicyPayerEffective Date
    Achalasia and Gastroesophageal Reflux Disease (GERD) - Minimally Invasive Procedures - Medical PolicyHealth-New-England2027-02-01
    Percutaneous Electrical Nerve Field Stimulation for Functional Abdominal Pain Disordersbcbsvermont2026-12-01
    Percutaneous Electrical Nerve Field Stimulation for Disorders of Gut-Brain Interactionpremerabluecrossofwashington2026-11-06
    Percutaneous electrical nerve field stimulation for disorders of gut-brain interactionpremerabluecrossofwashington2026-11-06
    Percutaneous Electrical Nerve Field Stimulation for Disorders of Gut-Brain Interactionpremerabluecrossofwashington2026-11-06
    Esophagogastroduodenoscopy (EGD) Coverage Policyevicore2026-11-05
    Radiofrequency Therapy for Fecal IncontinenceCigna2026-10-15
    Magnetic Sphincter Augmentation for the Treatment of Gastroesophageal Reflux Disease (GERD)univerahealthcare2026-10-15
    High-Resolution Anoscopy (HRA)Premera Bluecross2026-10-01
    Gastroesophageal and Gastrointestinal (GI) Services and ProceduresColorado Rocky Mountain Health Plans2026-10-01

    Related Codes

    HCPCS-B4034-ENTERAL-FEEDING-SYRINGE-FED-DAILY-KIT

    HCPCS Level II B4034: Enteral Feeding Supply Kit, Syringe-Fed Per Day

    HCPCS-B4035-ENTERAL-FEEDING-SUPPLY-KIT-PUMP-FED-PER-DAY

    HCPCS Level II B4035: Enteral Feeding Supply Kit, Pump-Fed, Per Day

    HCPCS-B4036-ENTERAL-FEEDING-SUPPLY-KIT-GRAVITY-FED-DAILY

    HCPCS Level II B4036: Enteral Feeding Supply Kit, Gravity-Fed, Per Day

    HCPCS-B4081-NASOGASTRIC-TUBING-WITH-STYLET

    HCPCS Level II B4081: Nasogastric Tubing With Stylet

    HCPCS-B4082-NASOGASTRIC-TUBING-WITHOUT-STYLET

    HCPCS Level II B4082: Nasogastric Tubing Without Stylet

    HCPCS-B4083-LEVINE-STOMACH-TUBE-NASOGASTRIC-SUPPLY

    HCPCS Level II B4083: Levine Stomach Tube

    HCPCS-B4087-GASTROSTOMY-JEJUNOSTOMY-TUBE-STANDARD

    HCPCS Level II B4087: Gastrostomy/Jejunostomy Feeding Tube, Standard

    HCPCS-B4088-LOW-PROFILE-GASTROSTOMY-JEJUNOSTOMY-TUBE

    HCPCS Level II B4088: Low-Profile Gastrostomy/Jejunostomy Tube

    HCPCS-B4100-FOOD-THICKENER-ORAL-PER-OUNCE

    HCPCS Level II B4100: Food Thickener, Oral, Per Ounce

    HCPCS-B4102-ENTERAL-FLUID-ELECTROLYTE-REPLACEMENT-FORMULA-ADULT

    HCPCS Level II B4102: Enteral Formula for Fluid and Electrolyte Replacement

    Showing 1–10 of 50

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
    Published by

    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

    Insertion of tunneled centrally inserted central venous catheter, without subcutaneous port or pump (long-term PN access)
    Performed when long-term PN access is needed; commonly precedes ongoing billing for PN solutions.
    96413Chemotherapy administration by intravenous infusion technique, up to 1 hour, single or initial substance/drugAlthough a chemotherapy code, infusion administration codes like this are sometimes used by outpatient infusion centers to bill time-based infusion services; analogous administration coding is used for PN in some outpatient settings.
    96365Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hourUsed in outpatient infusion settings to capture time-based administration services for PN lipids when applicable.