Q0161
Q0161 – Chlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti · NDC Crosswalk & Billing Units
HCPCS Level II Q-code · Medicare Part B drug billing
Q-code
● 20 NDCs crosswalked
📋 Q0161 summary
Q0161 is a HCPCS Level II Q-code used to bill Chlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti-emetic, for use a.... 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 Q0161: Chlorpromazine
⚠ 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 codeQ0161
DescriptorChlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the 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 NDCs20
Data periodNot available in current dataset
Last updatedSource date not available
💊 About Chlorpromazine DRUG GUIDE
Chlorpromazine is used to manage psychotic disorders and treat schizophrenia.
It also controls nausea and vomiting, relieves restlessness and apprehension before surgery, and controls the manic phase of manic-depressive illness.
Other uses include relief of intractable hiccups, treatment of acute intermittent porphyria, and use as an adjunct in tetanus treatment.In children ages 1 to 12, it is used for severe behavioral problems marked by explosive or combative behavior, and for short-term treatment of hyperactive children with conduct disorders.
The oral forms are also approved for the management of manifestations of psychotic disorders broadly, in addition to the uses shared with the injection form.
Clinical overview from our editorial drug guide for Chlorpromazine. For billing reference, see the sections above.
🧾 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 descriptionChlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the time of chemotherapy treatment, not to exceed a 48 hour dosage regimen
CoverageC — Carrier/MAC judgment
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 date2014-01-01
Date added2014-01-01
Source: CMS HCPCS Level II code file (imported via admin).
🧮 Dosing & billing-units calculator HCPCS UNITS
One billing unit of Q0161 = 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 Q0161 LEAST EXPENSIVE FIRST
20 NDCs map to Q0161. Bill units = how many HCPCS units one package represents.
| NDC (11-digit) | Drug | Labeler | Package | Strength | Bill units | NADAC / unit | Status | Source |
|---|---|---|---|---|---|---|---|---|
| 62332-0736-31 | Chlorpromazine 25 mg/1 TABLET | Alembic | 100 TABLET in 1 BOTTLE (62332-736-31) | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 62135-0421-90 | chlorpromazine hydrochloride 25 mg/1 TABLET, SUGAR COATED | Chartwell | 90 TABLET, SUGAR COATED in 1 BOTTLE (62135... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 72205-0104-91 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, SUGAR COATED | Novadoz | 100 TABLET, SUGAR COATED in 1 BOTTLE (7220... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 00832-6018-00 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, FILM COATED | Upsher-Smith | 100 TABLET, FILM COATED in 1 BOTTLE (0832-... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 00832-6018-10 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, FILM COATED | Upsher-Smith | 1000 TABLET, FILM COATED in 1 BOTTLE (0832... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 68462-0862-01 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, FILM COATED | Glenmark | 100 TABLET, FILM COATED in 1 BOTTLE (68462... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 00527-2962-37 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, COATED | Lannett | 100 TABLET, COATED in 1 BOTTLE (0527-2962-... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 50268-0163-15 | CHLORPROMAZINE HYDROCHLORIDE 25 mg/1 TABLET, FILM COATED | AvPAK | 50 BLISTER PACK in 1 BOX (50268-163-15) /... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 70710-1130-01 | Chlorpromazine hydrochloride 25 mg/1 TABLET, FILM COATED | Zydus | 100 TABLET, FILM COATED in 1 BOTTLE (70710... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 69238-1056-01 | CHLORPROMAZINE HYDROCHLORIDE 25 mg/1 TABLET, FILM COATED | Amneal | 100 TABLET, FILM COATED in 1 BOTTLE (69238... | 25 mg/1 | 5 | $0.324 | ● Active | PDAC |
| 16714-0048-01 | Chlorpromazine hydrochloride 25 mg/1 TABLET, FILM COATED | Northstar | 100 TABLET, FILM COATED in 1 BOTTLE (16714... | 25 mg/1 | 5 | $0.353 | Obsolete | PDAC |
| 90096-0132-01 | ChlorproMAZINE Hydrochloride 25 mg/1 TABLET, SUGAR COATED | Zameer | 100 TABLET, SUGAR COATED in 1 BOTTLE (9009... | 25 mg/1 | 5 | $0.485 | ● Active | PDAC |
| 00527-2962-43 | Chlorpromazine Hydrochloride 25 mg/1 TABLET, COATED | Lannett | 1000 TABLET, COATED in 1 BOTTLE (0527-2962... | 25 mg/1 | 5 | $0.485 | ● Active | PDAC |
| 23155-0804-01 | CHLORPROMAZINE HCL (COATED) 25 MG | Unknown | — | — | 5 | — | — | PDAC |
| 63304-0143-01 | CHLORPROMAZINE HCL (USP,COATED) 25 MG | Unknown | — | — | 5 | — | — | PDAC |
| 63304-0143-10 | ChlorproMAZINE Hydrochloride 25 mg/1 TABLET, SUGAR COATED | Sun | 1000 TABLET, SUGAR COATED in 1 BOTTLE (633... | 25 mg/1 | 5 | — | ● Active | PDAC |
| 54868-2464-02 | CHLORPROMAZINE HCL 25 MG | Unknown | — | — | 5 | — | — | PDAC |
| 00904-7130-06 | CHLORPROMAZINE HCL (5X10,FILM-COATED) 25 MG | Unknown | — | — | 5 | — | — | PDAC |
| 00904-7130-61 | CHLORPROMAZINE HCL (10X10,FILM-COATED) 25 MG | Unknown | — | — | 5 | — | — | PDAC |
| 00904-6893-61 | CHLORPROMAZINE HCL (10X10,FILM-COATED) 25 MG | Unknown | — | — | 5 | — | — | 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 utilization & spend CMS · PART B
No reportable public Medicare utilization was found for Q0161. This is expected for newer codes, low-volume drugs, or codes whose use is billed under another code. CMS also hides any figure covering fewer than 11 patients (a privacy rule), so small-volume use may exist but isn't publishable. Utilization and spend appear here automatically once CMS publishes reportable data for this code.
📊 What bills under Q0161
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)
20 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.
❓ Q0161 billing FAQ
What is HCPCS code Q0161?
Q0161 is a HCPCS Level II Q-code used to bill Chlorpromazine hydrochloride, 5 mg, oral, fda approved prescription anti-emetic, for use as a complete therapeutic substitute for an iv anti-emetic at the 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 Q0161?
20 NDCs currently map to Q0161 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 Q0161 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.