Q0162 HCPCS code: Ondansetron 1 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
Q0162 is the HCPCS Level II code for ondansetron 1 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. In 2024 Medicare paid an average of $0.01 per service for Q0162 across 9,940 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 40 per day on DME suppliers. Medicare volume fell 36% from 2022 to 2024 (15,507 to 9,940 services). In 2024, 21 suppliers billed Medicare for Q0162 (purchases), serving 174 beneficiaries; Wisconsin, Arizona, Minnesota accounted for 88% of services.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1D — Chemotherapy |
| Added | 2012-01-01 |
| Last action effective | 2012-01-01 |
Who bills Q0162 (2024)
| Measure | Value |
|---|---|
| Suppliers billing rentals | — |
| Suppliers billing purchases | 21 |
| Referring clinicians | 87 |
| Medicare beneficiaries | 174 |
| States with claims | 6 |
| Share of services in top 3 states (Wisconsin, Arizona, Minnesota) | 88% |
| Year | Suppliers | Beneficiaries |
|---|---|---|
| 2022 | 53 | 249 |
| 2023 | 39 | 231 |
| 2024 | 21 | 174 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q0162, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 15,507 | 249 | $0.01 | $0.01 |
| 2023 | 14,277 | 231 | $0.01 | $0.01 |
| 2024 | 9,940 | 174 | $0.01 | $0.01 |
States with the most Q0162 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Wisconsin | 4,834 | $0.01 |
| Arizona | 1,832 | $0.01 |
| Minnesota | 1,120 | $0.01 |
| Nevada | 824 | $0.01 |
| California | 133 | $0.01 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| DME suppliers | 40 | CMS Policy |
| outpatient hospital claims | 24 | Prescribing Information |
Medicare policy articles for this code
- A52480: Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC)) — mentions this code in its coding guidance
Covered diagnoses (1,280 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| C00.0 | Malignant neoplasm of external upper lip | 1 |
| C00.1 | Malignant neoplasm of external lower lip | 1 |
| C00.3 | Malignant neoplasm of upper lip, inner aspect | 1 |
| C00.4 | Malignant neoplasm of lower lip, inner aspect | 1 |
| C00.6 | Malignant neoplasm of commissure of lip, unspecified | 1 |
| C00.8 | Malignant neoplasm of overlapping sites of lip | 1 |
| C01 | Malignant neoplasm of base of tongue | 1 |
| C02.0 | Malignant neoplasm of dorsal surface of tongue | 1 |
| C02.1 | Malignant neoplasm of border of tongue | 1 |
| C02.2 | Malignant neoplasm of ventral surface of tongue | 1 |
Showing 10 of 1,280. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for Q0162
- 2012-01-01: Q0162 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code Q0162?
Q0162 is the HCPCS Level II code for ondansetron 1 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. Short descriptor: "Ondansetron oral".
How much does Medicare pay for Q0162?
In 2024, the average Medicare payment was $0.01 per service (average allowed $0.01).
Does Medicare cover Q0162?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Which diagnoses support coverage for Q0162?
Medicare policy articles that cite Q0162 list 1,280 covered ICD-10-CM diagnosis codes across 1 article. The most cited include C00.0 (Malignant neoplasm of external upper lip), C00.1 (Malignant neoplasm of external lower lip), C00.3 (Malignant neoplasm of upper lip, inner aspect). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of Q0162 can be billed per day?
40 on DME suppliers; 24 on outpatient hospital claims (NCCI medically unlikely edits).
Related Q01 codes
- Q0111 — Wet mounts, including preparations of vaginal, cervical or skin specimens
- Q0112 — All potassium hydroxide (koh) preparations
- Q0113 — Pinworm examinations
- Q0114 — Fern test
- Q0115 — Post-coital direct, qualitative examinations of vaginal or cervical mucous
- Q0138 — Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)
- Q0139 — Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (for esrd on dialysis)
- Q0144 — Azithromycin dihydrate, oral, capsules/powder, 1 gram
- Q0155 — Dronabinol (syndros), 0.1 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
- Q0161 — 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
- Q0163 — 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
- Q0164 — Prochlorperazine maleate, 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
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under Q0162
- Watch Q0162 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q0162
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.