Q0163
Q0163 – Diphenhydramine hydrochloride, 50 mg, oral, fda approved prescription an · NDC Crosswalk & Billing Units
HCPCS Level II Q-code · Medicare Part B drug billing
Q-code
● 132 NDCs crosswalked
📋 Q0163 summary
Q0163 is a HCPCS Level II Q-code used to bill Diphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use.... The number of billing units to report depends on the dose administered and the NDC/package billed — use the calculator below.
Brand names associated with Q0163: Good Sense Allergy, Benadryl, Diphenhydramine Hcl
⚠ An NDC↔HCPCS crosswalk and a published payment limit do not guarantee payer coverage or payment. Always verify the current payer policy and claim format before billing.
🗂️ Key billing facts
HCPCS codeQ0163
DescriptorDiphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at time of chemotherapy treatment not to exceed a 48 hour dosage regimen
Billing unitNot available in current dataset
Payment limit / unit Not available in current dataset
Mapped NDCs132
Data periodNot available in current dataset
Last updatedSource date not available
🧾 Billing & reimbursement HCPCS · CMS
Medicare payment limit / unit
—
Est. ASP / unit
—
Est. after 2% sequester
—
HCPCS dosage
—
The CMS payment limit is the Medicare Part B drug allowance (ASP + 6%, statutory). After the 2% federal sequester the effective payment is ≈ ASP + 4.3%; estimated ASP = payment limit ÷ 1.06. Source: CMS Medicare Part B Payment Limit File (quarterly).
Full HCPCS code details (official CMS record)
Long descriptionDiphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at time of chemotherapy treatment not to exceed a 48 hour dosage regimen
CoverageD — Special coverage instructions apply
Pricing indicator51 — Drug — priced under the ASP methodology
Type of service1 — Medical care
BETOS-2O1D
ASC payment group—
Action codeN — No maintenance this year
Effective date1998-04-01
Date added1998-04-01
Source: CMS HCPCS Level II code file (imported via admin).
🧮 Dosing & billing-units calculator HCPCS UNITS
One billing unit of Q0163 = 1 unit. Enter a regimen to convert dose → billing units and project a full course.
Billing units = dose ÷ HCPCS unit size. Most payers require whole units — round per the payer's policy. “Est. Medicare pay” uses the current payment limit. For single-dose vials, drug discarded after administration may be separately billable with modifier JW (JZ when none is discarded) where allowed. Always verify payer-specific rounding before billing.
🔁 NDCs that bill under Q0163 LEAST EXPENSIVE FIRST
132 NDCs map to Q0163. Bill units = how many HCPCS units one package represents.
| NDC (11-digit) | Drug | Labeler | Package | Strength | Bill units | NADAC / unit | Status | Source |
|---|---|---|---|---|---|---|---|---|
| 00113-0379-26 | good sense allergy Diphenhydramine HCl 12.5 mg/5mL SOLUTION | L. | 1 BOTTLE in 1 CARTON (0113-0379-26) / 118... | 12.5 mg/5mL | 0.05 | $0.019 | ● Active | PDAC |
| 24385-0379-26 | Good Neighbor Pharmacy Childrens Allergy Diphenhydramine Hydrochloride 12.5 mg/5mL SOLUTION | Amerisource | 1 BOTTLE in 1 CARTON (24385-379-26) / 118... | 12.5 mg/5mL | 0.05 | $0.019 | ● Active | PDAC |
| 00904-5307-60 | Banophen diphenhydramine hcl 50 mg/1 CAPSULE | Major | 100 CAPSULE in 1 BOTTLE (0904-5307-60) | 50 mg/1 | 1 | $0.030 | Obsolete | PDAC |
| 00904-5307-80 | Banophen diphenhydramine hcl 50 mg/1 CAPSULE | Major | 1000 CAPSULE in 1 BOTTLE (0904-5307-80) | 50 mg/1 | 1 | $0.030 | Obsolete | PDAC |
| 63868-0087-01 | Allergy Relief DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 CAPSULE | Chain | 1 BOTTLE, PLASTIC in 1 CARTON (63868-087-0... | 25 mg/1 | 0.5 | $0.034 | ● Active | PDAC |
| 63868-0087-24 | Allergy Relief DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 CAPSULE | Chain | 2 BLISTER PACK in 1 CARTON (63868-087-24)... | 25 mg/1 | 0.5 | $0.034 | ● Active | PDAC |
| 00113-0479-62 | good sense allergy relief Diphenhydramine Hydrochloride 25 mg/1 TABLET | L. | 24 BLISTER PACK in 1 CARTON (0113-0479-62)... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 00113-0479-78 | good sense allergy relief Diphenhydramine Hydrochloride 25 mg/1 TABLET | L. | 1 BOTTLE in 1 CARTON (0113-0479-78) / 100... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 00904-5551-59 | Banophen Diphenhydramine HCl 25 mg/1 TABLET, FILM COATED | Major | 1 BOTTLE, PLASTIC in 1 CARTON (0904-5551-5... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 24385-0479-78 | Good Neighbor Pharmacy allergy Diphenhydramine Hydrochloride 25 mg/1 TABLET, FILM COATED | Amerisource | 1 BOTTLE in 1 CARTON (24385-479-78) / 100... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 49483-0061-01 | ALLERGY RELIEF DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 TABLET, FILM COATED | TIME | 100 TABLET, FILM COATED in 1 BOTTLE, PLAST... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 49483-0061-10 | ALLERGY RELIEF DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/1 TABLET, FILM COATED | TIME | 1000 TABLET, FILM COATED in 1 BOTTLE, PLAS... | 25 mg/1 | 0.5 | $0.037 | ● Active | PDAC |
| 55289-0100-15 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 55289-0100-40 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 50580-0226-50 | Benadryl Diphenhydramine Hydrochloride 25 mg/1 TABLET, FILM COATED | Kenvue | 1 BOTTLE in 1 CARTON (50580-226-50) / 100... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 00121-0489-00 | DIPHENHYDRAMINE HYDROCHLORIDE 12.5 mg/5mL SOLUTION | PAI | 10 TRAY in 1 CASE (0121-0489-00) / 10 CUP... | 12.5 mg/5mL | 0.05 | — | ● Active | PDAC |
| 00121-0978-00 | DIPHENHYDRAMINE HYDROCHLORIDE 25 mg/10mL SOLUTION | PAI | 10 TRAY in 1 CASE (0121-0978-00) / 10 CUP... | 25 mg/10mL | 0.05 | — | ● Active | PDAC |
| 70332-0103-01 | RAPIDPAQ DICOPANOL (1X150ML) 5 MG/1 ML | Unknown | — | — | 0.1 | — | — | PDAC |
| 55289-0479-12 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 12 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 52959-0043-00 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-24 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0149-61 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0156-01 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 10135-0156-10 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 66267-0081-60 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 54868-1050-06 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 00121-0489-05 | DIPHENHYDRAMINE HCL 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 00761-0914-20 | ANTI-HIST 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00927-0616-34 | TWILITE 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 00927-0617-12 | ALLERMAX 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 10135-0149-01 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0149-10 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0149-24 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-01 | DIPHENHYDRAMINE HCL (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-10 | DIPHENHYDRAMINE HCL (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-24 | DIPHENHYDRAMINE HCL (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-50 | DIPHENHYDRAMINE HCL (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-52 | DIPHENHYDRAMINE HCL (BOXED,CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0151-57 | DIPHENHYDRAMINE HCL (BOXED,CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10135-0156-13 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 10135-0166-13 | DIPHENHYDRAMINE HCL (BLISTER PACK,CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10267-0835-01 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10267-0835-04 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 10267-0836-01 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 10267-0836-04 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 17714-0020-01 | Diphenhydramine Hydrochloride 25 mg/1 CAPSULE | Advance | 100 CAPSULE in 1 BOTTLE (17714-020-01) | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 17714-0020-10 | Diphenhydramine Hydrochloride 25 mg/1 CAPSULE | Advance | 1000 CAPSULE in 1 BOTTLE (17714-020-10) | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 17714-0021-01 | Diphenhydramine Hydrochloride 50 mg/1 CAPSULE | Advance | 100 CAPSULE in 1 BOTTLE (17714-021-01) | 50 mg/1 | 1 | — | ● Active | PDAC |
| 17714-0021-10 | Diphenhydramine Hydrochloride 50 mg/1 CAPSULE | Advance | 1000 CAPSULE in 1 BOTTLE (17714-021-10) | 50 mg/1 | 1 | — | ● Active | PDAC |
| 17714-0042-01 | DIPHENHYDRAMINE HCL (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 17714-0042-24 | COMPLETE ALLERGY MEDICATION (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 18864-0211-03 | SERABRINA LA FRANCE 50 MG/15 ML | Unknown | — | — | 0.067 | — | — | PDAC |
| 43292-0557-65 | DIPHENHYDRAMINE HCL (MAX. STR.) 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 49348-0205-37 | VALU-DRYL ALLERGY CHILDREN'S (AF,CHERRY) 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 52959-0043-04 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-10 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-15 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-20 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-30 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0043-50 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 52959-0123-03 | DIPHENHYDRAMINE HCL 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 52959-0123-06 | DIPHENHYDRAMINE HCL 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 55289-0479-01 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 55289-0479-10 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 10 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 55289-0479-15 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 15 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 55289-0479-20 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 20 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 55289-0479-24 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 24 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 55289-0479-30 | Diphenhydramine HCl 25 mg/1 CAPSULE | PD-Rx | 30 CAPSULE in 1 BOTTLE, PLASTIC (55289-479... | 25 mg/1 | 0.5 | — | ● Active | PDAC |
| 66267-0081-15 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 66267-0081-30 | Diphenhydramine HCL 50 mg/1 CAPSULE | NuCare | 30 CAPSULE in 1 BOTTLE, PLASTIC (66267-081... | 50 mg/1 | 1 | — | ● Active | PDAC |
| 73480-0150-04 | DIPHEN (USP,CINNAMON/ANISE) 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 55289-0100-01 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 55289-0100-10 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 55289-0100-20 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 55289-0100-30 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 33358-0110-30 | DIPHENHYDRAMINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 33358-0111-20 | DIPHENHYDRAMINE 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 33358-0111-30 | DIPHENHYDRAMINE 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 11822-0527-10 | RITE AID ALLERGY (AF,SF,DYE-FREE) 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 52959-0053-52 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 63629-1343-01 | DIPHENHYDRAMINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63629-1343-02 | DIPHENHYDRAMINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63629-1343-03 | DIPHENHYDRAMINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63629-1343-04 | DIPHENHYDRAMINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-06 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-09 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-10 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-12 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-14 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-21 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-24 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-25 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-28 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-40 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-45 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-60 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-90 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00113-0462-62 | GOOD SENSE ANTIHISTAMINE ALLERGY RELIEF (EASY TO SWALLOW) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63868-0789-24 | QUALITY CHOICE REST SIMPLY (CAPLET) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00904-5306-61 | DIPHENHYDRAMINE HCL (10X10) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 66267-0080-20 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00185-0648-01 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00185-0648-10 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 00185-0649-01 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 00185-0649-10 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 00904-2035-24 | BANOPHEN 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 37205-0270-62 | COMPLETE ALLERGY MEDICINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 37205-0270-78 | COMPLETE ALLERGY MEDICINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 37205-0277-62 | COMPLETE ALLERGY MEDICINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 37205-0277-78 | COMPLETE ALLERGY MEDICINE 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 43292-0556-31 | ALERTAB 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 49348-0045-34 | VALU-DRYL ALLERGY CHILDREN'S 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 52959-0053-06 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 52959-0053-10 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 52959-0053-12 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 52959-0053-15 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 52959-0053-20 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 52959-0053-30 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 54569-0241-00 | DIPHENHYDRAMINE HCL 50 MG | Unknown | — | — | 1 | — | — | PDAC |
| 54838-0135-40 | SILADRYL ALLERGY (AF,SF) 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 54838-0135-70 | SILADRYL ALLERGY 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 54838-0135-80 | SILADRYL ALLERGY (AF,SF) 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
| 63868-0500-01 | MEDIPHEDRYL (MINITAB) 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-01 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-02 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-15 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-20 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 63874-0005-30 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 66267-0080-15 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 66267-0080-30 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 66267-0080-60 | DIPHENHYDRAMINE HCL 25 MG | Unknown | — | — | 0.5 | — | — | PDAC |
| 66267-0977-04 | DIPHENHYDRAMINE HCL 12.5 MG/5 ML | Unknown | — | — | 0.05 | — | — | PDAC |
NDC→HCPCS mappings come from the CMS ASP NDC-HCPCS crosswalk; additional DME MAC / DMEPOS mappings come from PDAC and are labeled separately. NADAC from CMS (weekly). “Status” reflects the product's marketing / obsolete flag in the NDC directory. Presence or absence here does not determine Medicare coverage. Linked NDCs open the full product page.
📈 Medicare Part B claims detail CMS PSPS · 2024
Calendar-year 2024 Medicare Part B fee-for-service activity for this HCPCS code, summed across all carriers, localities and specialties (CMS Physician/Supplier Procedure Summary). A “service” is one billed line/unit — not one claim — so counts run higher than claim counts.
Allowed charges
$15.68
Medicare paid
$13.20
Submitted services
166
Denial rate
66.3%
Allowed / service
$0.28
Submitted charges
$677.62
Source: CMS Physician/Supplier Procedure Summary (PSPS), CY2024 — Medicare Part B carrier + DME fee-for-service claims (excludes Medicare Advantage). Figures are for the whole HCPCS code, which may cover uses beyond this drug. ⚠ CMS hides any figure covering fewer than 11 patients (a privacy rule), so totals — especially denials and low-volume codes — run a little low.
📊 What bills under Q0163
J-codes are billing codes often used for drugs billed under the medical benefit. This connects the billing code to the NDC package records it covers, by ingredient and labeler.
NDC products by ingredient
NDC products by labeler
🗃️ Data sources & freshness
Every figure on this page is computed from public datasets. Here's what each section draws on and how current it is.
HCPCS code & descriptor
CMS HCPCS Level II code file
Loaded
Payment limit & billing unit
CMS Medicare Part B ASP Pricing File (quarterly)
Not available
NDC ↔ HCPCS crosswalk
CMS ASP NDC-HCPCS crosswalk + DMEPDAC (PDAC)
132 NDCs mapped
NADAC acquisition cost
CMS National Average Drug Acquisition Cost (weekly)
Available for mapped NDCs
Utilization & spend
CMS Part B Spending by Drug · PSPS · Physician & Other Practitioners
No reportable utilization
Figures are estimates for reference and may lag the source files. Always verify against the current CMS files and your payer's policy before submitting claims.
⚠️ Practical billing caveats
- A crosswalk is not coverage. An NDC mapping or a published payment limit does not guarantee a payer will cover or pay this code. Check the specific plan's policy.
- Units ≠ milligrams. Bill the number of HCPCS units (dose ÷ the code's unit size), not the milligram dose. Use the calculator above.
- Discarded drug. For single-dose vials, drug discarded after administration may be separately billable with modifier JW (and JZ when nothing is discarded) where the payer allows.
- Rounding & partial units. Many payers require whole units; round per the payer's policy, not automatically up.
- The code can cover more than this drug. Some HCPCS codes span multiple products or strengths — confirm the exact code for the product administered.
- Figures lag. ASP limits change quarterly and utilization data are released with a delay. Verify against the current CMS files before billing.
❓ Q0163 billing FAQ
What is HCPCS code Q0163?
Q0163 is a HCPCS Level II Q-code used to bill Diphenhydramine hydrochloride, 50 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at time of chemotherapy treatment not to exceed a 48 hour dosage regimen under Medicare Part B and most medical (not pharmacy) benefits.
Which NDCs bill under Q0163?
132 NDCs currently map to Q0163 in the CMS ASP NDC-HCPCS crosswalk. See the NDC crosswalk table above for each product, package, billing units and estimated reimbursement.
Does a crosswalk mean Q0163 is covered?
No. An NDC-to-HCPCS crosswalk and a published payment limit do not guarantee coverage or payment. Coverage depends on the payer, the diagnosis and the site of care — always verify the current policy before billing.
For professional billing reference only — verify against the current CMS files before submitting claims.