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Pharmacy Billing Services
Pharmacy billing is dispensing on the pharmacy benefit, separate from the medical claim. Vector Medical Billing, in Jamaica, New York, sends the NDC that left the shelf, the days that fill will last, and does not also bill a procedure code for the same product.
98%Published NCR
24hClaim Submission
BAASigned with every client
AAPCCertified coders
AHIMACertified coders
E&OErrors and omissions insured
50 StatesRemote billing nationwide
Monthly fee
What pharmacy billing includes
Full-cycle RCM for a dispensing pharmacy — the pharmacy-benefit claim, and a medical claim only when that benefit is the one that pays.
The operating cycle matches medical billing services where the work is a medical drug claim: eligibility, charge capture, coding, scrub, submission, payment posting, denial management, and A/R follow-up. A drug the patient takes home is not that form. It is a pharmacy transaction: the card’s BIN, processor control number, and group, the NDC dispensed, and the quantity. The scrub watches days supply, a brand code the prescription did not require, a refill that is early, and a second claim for the same product on the medical side.
In scope: retail, specialty, and long-term-care dispensing billed to a pharmacy benefit, including compounds when the plan wants each ingredient, and the handoff when a processor says the drug may be a medical benefit. A nebulizer, a pump, or another piece of equipment is a separate page. A laboratory test is diagnostic lab billing. This is not an office visit with a drug name typed into the procedure field.
Pharmacy is priced as a percentage of net collections because the benefit split, NDC detail, and prior authorization take extra scrub time. The written rate follows dispense mix — see pricing. Credentialing with each plan, a retrospective coding audit, and out-of-network / IDR stay separate engagements.
What sits on this pharmacy fee
- Pharmacy-benefit claim for what was dispensed
- Medical claim only when that benefit covers the drug
- HIPAA workflows, a signed BAA, and PHI limited to staff on the account
Where pharmacy claims fail
Patterns in the pharmacy transaction standard and in Medicare’s split between drug benefits.
The same drug on two claims
A self-administered prescription goes out on the pharmacy claim and again as a HCPCS drug code on a medical claim. Or a drug the clinic infused is sent only as a retail NDC because that is the code on the shelf.
Hub rule: dispensing stays on the pharmacy benefit, separate from the medical claim.
Days supply that is not this fill
Ninety tablets, one each day, sent as a 30-day supply so the next refill will pass. A dose given every four months sent as 30 days because the system field looks short. Days supply that includes refills which have not been dispensed.
Days supply is quantity divided by daily use, for this dispensing only.
The wrong package, or a brand the plan did not owe
An NDC for a package that was not dispensed. Quantity in “boxes” when the plan wants milliliters or each. A dispense-as-written flag when the prescriber allowed a generic. A refill sent before the last days supply was used, with no plan override.
The claim has to match the label and the prescription.
Pharmacy benefit · not both
Dispensing stays on the pharmacy benefit
Hub language made operational: one product, one benefit, the claim type that benefit uses.
A pharmacy claim is the NCPDP billing transaction. It uses the BIN, processor control number, group, and cardholder ID on the pharmacy card — not the medical plan’s payer ID. The product ID is the NDC of the package dispensed. Quantity is the amount the patient received, in the unit that plan expects: each, milliliters, or grams. The prescriber’s NPI is the prescriber, not the pharmacy. The pharmacy’s own NPI identifies who dispensed.
A medical claim is a different benefit. It uses a HCPCS drug code and that code’s billing units, often with the NDC added as extra detail, for a drug the medical plan covers — commonly one administered in the office. Do not convert a pickup prescription into a medical code because the pharmacy claim rejected. Do not leave an infused drug on a retail claim because the vial has an NDC. If both a pharmacy claim and a medical claim are paid for the same dispensing, one of them is a duplicate.
Benefit checklist
- Pickup drug: pharmacy card and NDC
- Administered drug: medical code, when that benefit covers it
- Never both for the same dispensing
NDC, days supply, and dispense-as-written
The transaction standard calculates days supply from this fill. It does not use days supply to decide whether the pharmacy is mail order.
This fill, not the whole prescription
Days supply is the estimated number of days this dispensing will last: quantity dispensed divided by the amount used per day. Refills still on the prescription are not added. Thirty tablets at two a day is 15 days. Four tablets taken once a week is 28 days. A single dose given every 120 or 180 days uses that interval, so drug-use edits see the real gap. NCPDP’s guidance is that a long days supply does not turn the claim into mail order. Pharmacy type is its own field. In a long-term-care consolidation, one claim may cover several administrations in the period that plan allows — the days supply is still the period you actually billed, not a default 30.
Brand only when the prescription or the plan says so
Dispense-as-written tells the plan why the brand package was used. The value for “prescriber did not allow substitution” belongs only when the prescription says that. Do not send it because the brand was in stock or because brand payment is higher. Some plans define another value for a brand the plan itself requires. Use that value only when that payer’s manual says so. A compound is billed with the ingredient NDCs the plan’s compound segment asks for, not a single stand-in code for “compounded drug.”
Part B, prior authorization, and an early refill
A reject that points to the other Medicare drug benefit is not fixed by resubmitting the same claim.
When Medicare says Part B
Most outpatient prescriptions the patient picks up are Part D, on the pharmacy claim. Part B covers a different list: many drugs given in the office, certain oral cancer drugs and anti-nausea drugs tied to chemotherapy, transplant immunosuppressive drugs after a Medicare-covered transplant, and some drugs that are supplies for equipment. NCPDP’s Part D guidance tells the processor to reject with code A6 when the drug may be covered under Part B. That reject means check Part B. It does not mean bill both, and it does not mean the pharmacy claim was typed wrong.
Authorization before the fill
A prior-authorization reject means the plan wants approval before payment. The resubmission carries the authorization number the plan issued, for the NDC and quantity it approved. Sending the claim again with no number, or with a different package than the one approved, rejects again. An appeal is a separate path after a denial. It is not a second identical claim.
Refill too soon
The plan compares the last paid days supply with the date of this fill. A refill inside that window rejects unless the plan has a vacation, lost-medication, or dose-change override, and that override is on the claim. Changing days supply on the first fill so the second fill looks due is how the next audit starts. Dose changes belong in the directions and in the new days supply, not in a shortened number.
Pharmacy claim patterns this service works
Illustrative anchors — the label, the card, and that plan’s manual decide the field. Equipment and its order are not on this page.
| Work type | Example | What to check | Common failure if skipped |
|---|---|---|---|
| Pickup prescription | Pharmacy claim, NDC dispensed | BIN, PCN, group from the card | Medical payer ID |
| Days supply | Quantity divided by daily use | This fill only | 90 tablets sent as 30 days |
| Long interval | One dose every 120 days | Days supply 120 | Forced to 30 so it “looks retail” |
| Brand | DAW only if the prescription or that plan requires it | Prescriber allowed substitution or not | Brand flag on a generic-okay script |
| Compound | Each ingredient the plan asks for | Compound segment | One dummy NDC |
| Early refill | After the last days supply | Override only if the plan gave one | Shortened days supply |
| Part B pointer | Reject A6 | Whether Part B actually covers it | Same claim sent again to Part D |
| Office-administered | Medical HCPCS units | Not also a pharmacy claim | Duplicate payment |
This page does not invent a pharmacy denial percentage. The free audit reads your NDCs, days supply, and benefit splits on the sample you send.
What a free audit line looks like
Illustrative composite only — not a client result and not a promised recovery.
| Field | Example entry |
|---|---|
| Documented service | Patient picks up 90 tablets. Directions are one tablet daily. The prescription allows a generic. The product is a self-administered oral drug on the pharmacy card. Nothing was infused. |
| Billed codes | Pharmacy claim with days supply 30 and a prescriber dispense-as-written flag, plus a medical claim with a HCPCS drug code for the same NDC |
| Issue found | Days supply does not match the quantity and the directions. The brand flag is not on the prescription. The medical claim duplicates a pharmacy-benefit drug. |
| Recommended correction | One pharmacy claim: NDC dispensed, quantity 90, days supply 90, no prescriber-brand flag. Remove the medical line. If the processor returns reject A6, check whether this drug is actually a Part B benefit before anyone bills Part B. Do not resubmit both. |
| Related check | Next refill date uses the 90 days, not the 30 that was billed |
| Why it matters | A short days supply and a second benefit deny or recoup — caught in scrub or flagged in the free audit |
Request a Free Audit with recent pharmacy claims, reject codes, and any medical drug claims for the same patients. We map the benefit split on your file — not this composite.
How Vector runs pharmacy billing
Which benefit pays — then the same revenue cycle.
1
Assign pharmacy RCM
Biller who already keeps a pickup drug off the medical claim.
2
Reconcile and code
Charge entry and coding from the label and the prescription — queries when the NDC or the directions do not match.
4
Post and report
Payment posting, reject work, A/R aging, monthly RCM report by pharmacy benefit versus medical drug.
Not inside the pharmacy percentage
Related work stays separate so the quote matches the job.
Equipment
A device, a purchase or a rental, and the order that plan wants are on DME billing. The drug used with that device still follows whichever benefit covers the drug.
Credentialing / audit
Credentialing with pharmacy plans and a retrospective coding audit of NDCs and days supply are separate when scoped.
Underpay / OON
Underpayment recovery and OON / IDR stay separate when the dispute path is not ordinary reject work.
How pharmacy billing is priced
Percentage of dollars that land — not a flat fee per reject that ignores a duplicate medical claim.
Written rate
Pharmacy is priced as a percentage of net collections because the benefit split, NDC detail, and prior authorization take more scrub time. No setup fee on the monthly cycle. Month to month. The written rate follows dispense mix and how much of the cycle you hand over.
See pricing or request a written rate after the free audit.
What we need to start
Pharmacy-system access, the plans you bill, how often a drug is administered rather than dispensed, open A/R if you are leaving another biller, and a sample of days-supply, authorization, or Part B rejects. Switching usually overlaps so claim submission does not stop. See EHR integration if access setup needs a separate quote.
Audit the prescriptions that were also billed as medical drugs
Send monthly prescription volume, whether any drugs are administered in a clinic, system name, and a sample of days-supply or benefit rejects. We reply with what the open A/R shows, whether the monthly fee fits, and a written rate — without inventing a clean-claim percentage.
Written
Monthly rate
98%
Published NCR
50
US States
BAA
Every Client
Pharmacy billing questions
Straight answers tied to the sections above.
What does pharmacy billing include?
The pharmacy-benefit claim with the NDC dispensed, quantity and days supply for that fill, the prescriber, prior authorization when required, a medical claim only when the drug is a medical benefit, posting, reject follow-up, and A/R.
How much do pharmacy billing services cost?
The fee is a percentage of net collections. No setup fee on the monthly cycle. The written rate follows dispense mix and how often drugs cross to a medical benefit.
Is a dispensed drug billed on a medical claim?
A pickup prescription uses the pharmacy card. A medical claim is for a drug that medical benefit covers, such as one administered in the office. The same dispensing is not billed on both.
How is days supply calculated?
Quantity dispensed divided by daily use, for this fill only. A dose every 120 days is a 120-day supply. Do not shorten it to make the next refill look due.
Do we have to change our pharmacy system?
No. Billers work in the system you already use — see EHR integration. Compatibility is confirmed before you commit.
Where does Vector provide pharmacy billing?
The office is 15717 85th St, Jamaica, NY 11414-2620. Work is remote for pharmacies in all 50 states. See the specialties hub.
Is Vector Medical Billing HIPAA certified?
HHS does not certify billing companies. Vector signs a BAA, limits PHI to staff on the account, and follows HIPAA workflows. A HIPAA security risk analysis is a separate engagement when scoped.