Q4162 HCPCS code: Woundex flow, bioskin flow, 0.5 cc
Q4162 is the HCPCS Level II code for woundex flow, bioskin flow, 0.5 cc. In 2022 Medicare paid an average of $1,782.10 per service for Q4162 across 54 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. In 2022, about 5 clinicians billed Medicare for Q4162 for 12 beneficiaries.
Code details
| Field | Value |
|---|---|
| Section | Q codes — Temporary codes |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1E — Other drugs |
| Added | 2016-01-01 |
| Last action effective | 2018-01-01 |
Who bills Q4162 (2022)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 5 |
| Medicare beneficiaries | 12 |
| States with claims | 0 |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for Q4162, 2022–2022
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 54 | 12 | $2,238.44 | $1,782.10 |
Medicare policy articles for this code
- A58865: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B))
- A58893: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (National Government Services, Inc. (MAC - Part A, MAC - Part B))
- A59374: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (CGS Administrators, LLC (MAC - Part A, MAC - Part B))
- A59434: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
- A59764: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B))
- A59766: Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Wound (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B))
What changed for Q4162
- 2016-01-01: Q4162 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 Q4162?
Q4162 is the HCPCS Level II code for woundex flow, bioskin flow, 0.5 cc. Short descriptor: "Wndex flw, bioskn flw, 0.5cc".
How much does Medicare pay for Q4162?
In 2022, the average Medicare payment was $1,782.10 per service (average allowed $2,238.44).
Does Medicare cover Q4162?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
Related Q41 codes
- Q4100 — Skin substitute, not otherwise specified
- Q4101 — Apligraf, per square centimeter
- Q4102 — Oasis wound matrix, per square centimeter
- Q4103 — Oasis burn matrix, per square centimeter
- Q4104 — Integra bilayer matrix wound dressing (bmwd), per square centimeter
- Q4105 — Integra dermal regeneration template (drt) or integra omnigraft dermal regeneration matrix, per square centimeter
- Q4106 — Dermagraft, per square centimeter
- Q4107 — Graftjacket, per square centimeter
- Q4108 — Integra matrix, per square centimeter
- Q4110 — Primatrix, per square centimeter
- Q4111 — Gammagraft, per square centimeter
- Q4112 — Cymetra, injectable, 1 cc
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 Q4162
- Watch Q4162 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for Q4162
Sources: CMS HCPCS Level II release October 2025; 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.