HCPCS Level II drug code
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
In short
Q0163 is the HCPCS Level II code for 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. One billing unit is 50 mg.
Code
CMS HCPCS file- Descriptor
- 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
- Short descriptor
- Diphenhydramine hcl 50mg
- Code set
- HCPCS Level II, maintained by CMS
- Effective
- Apr 1, 1998
The billing unit is read from the descriptor. Confirm it against the CMS file before billing.
Units and claim line
Units = dose given ÷ 50 mg. For example, 5000 mg is 100 units. Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.
Enter the dose given to build the claim line.
Find the NDC
Med-Code hasn’t mapped Q0163 to specific products yet. Search the FDA NDC Directory for the drug named in the descriptor, and check the route and strength match the code.
Q0163: common questions
- Is Q0163 a CPT code?
- No. Q0163 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
- What is one billing unit of Q0163?
- One unit of Q0163 is 50 mg, as stated in the code's descriptor. Units to report = dose given ÷ 50 mg. J-code billing units.