Q3031 — Collagen skin test
Q3031 is a HCPCS Level II code for collagen skin test. It belongs to the Temporary Codes section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusB
Bundled code. Payment is always bundled into another service. CMS: 'If RVUs are shown, they are not used for Medicare payment.'
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of Q3031 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for Q3031
- Long descriptor
- Collagen skin test
- Short descriptor
- Collagen skin test
- Added
- April 1, 2003
- BETOS
- D1A
- Pricing indicator
- 11 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established using national RVUs.
Codes adjacent to Q3031
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q3031 is not quite right, the correct code is very often within a few positions of it.
- Q2055Idecabtagene vicleucel, up to 510 million autologous b-cell maturation antigen (bcma) directed car-positive t cells, including leukapheresis and dose preparation procedures, per therapeutic dose
- Q2056Ciltacabtagene autoleucel, up to 100 million autologous b-cell maturation antigen (bcma) directed car-positive t cells, including leukapheresis and dose preparation procedures, per therapeutic dose
- Q2057Afamitresgene autoleucel, including leukapheresis and dose preparation procedures, per therapeutic dose
- Q2058Obecabtagene autoleucel, 10 up to 400 million cd19 car-positive viable t cells, including leukapheresis and dose preparation procedures, per infusion
- Q3001Radioelements for brachytherapy, any type, each
- Q3014Telehealth originating site facility fee
- Q3027Injection, interferon beta-1a, 1 mcg for intramuscular use
- Q3028Injection, interferon beta-1a, 1 mcg for subcutaneous use
- Q4001Casting supplies, body cast adult, with or without head, plaster
- Q4002Cast supplies, body cast adult, with or without head, fiberglass
- Q4003Cast supplies, shoulder cast, adult (11 years +), plaster
- Q4004Cast supplies, shoulder cast, adult (11 years +), fiberglass
- Q4005Cast supplies, long arm cast, adult (11 years +), plaster
- Q4006Cast supplies, long arm cast, adult (11 years +), fiberglass
- Q4007Cast supplies, long arm cast, pediatric (0-10 years), plaster
- Q4008Cast supplies, long arm cast, pediatric (0-10 years), fiberglass
Questions about Q3031
What is HCPCS code Q3031?
Q3031 is a HCPCS Level II code for collagen skin test. It sits in the Temporary Codes section.
Does Medicare cover Q3031?
The CMS HCPCS file marks Q3031 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is Q3031 paid under the physician fee schedule?
Q3031 carries PFS status code B. Bundled code. Payment is always bundled into another service. CMS: 'If RVUs are shown, they are not used for Medicare payment.'