Cat Lump & Mass Removal Surgery Cost
Removing a lump from your cat involves anesthesia, surgery, and often optional lab analysis. The size, number, and location of masses — plus surgical complexity — drive the cost.
- Written by:
- Pet Surgery Estimate
- Published:
- Jun 17, 2026
- Last updated:
- Nov 12, 2026
- Clinic prices checked:
- Nov 6, 2026
Cost guide, not veterinary advice. This page helps you budget and ask good questions. It cannot tell you whether your pet needs this procedure — only your veterinarian can. Disclaimer
Typical cost
Medium-sized cat, general practice, scheduled, no location adjustment.
Typical cost: Cat Mass / Lump Removal
Cat Mass / Lump Removal
Estimate confidence: Medium · Wide educational estimate
Low
$500
Average
$660
High
$2,300+
Estimate in U.S. dollars for U.S. clinics, not a quote. How it's calculated
Estimate confidence: Medium
- Location not provided — national average used
How we calculated this
- Base rangeMass / lump removal
- UrgencyScheduled / planned (×1)
- Vet typeGeneral practice vet (×1)
- AgeAdult (×1)
- LocationNot specified (×1.00)
Figures are rounded broad ballparks, not a quote.
Understanding the cost of mass / lump removal
In cats, the price of removing a lump depends heavily on what the clinic expects the mass to be, because that decides how much tissue is removed. A small, well-defined lump may be a short procedure; a mass that needs wide margins is a larger surgery with a longer recovery.
Lab analysis is again the key line item. ACVS explains that a tumor’s type and grade are confirmed by histopathology after removal, and that additional staging tests may be recommended. One Denver clinic bundles one histopathology submission into its cat mass removal price; other clinics list biopsy as an add-on.
Published cat prices we found span a wide range for this reason: a low price that excludes biopsy and a bundled price that includes it are not the same service.
What is in a mass / lump removal quote — and what is not
What moves the price
- Size, number, and location of masses
- Whether lab analysis is performed
- Surgical complexity and anesthesia time
Usually included in the quote
- Surgical removal and anesthesia
- Basic wound closure
Often billed separately
- Lab analysis of the mass
- Pre-surgical bloodwork and diagnostics
- Take-home medications and rechecks
Extra costs to ask about
- Biopsy / histopathology
- Pre-anesthetic bloodwork
- Anesthesia and monitoring
- Pain medication and e-collar
General practice, specialist or emergency hospital?
General practice
Most simple skin masses in cats are removed at general practices. Ask whether the price is per mass or by size.
Specialist / referral hospital
Masses that need wide margins or are in difficult locations may be referred to a surgeon or surgical oncologist, adding consultation and staging costs.
Emergency hospital
Mass removal is rarely an emergency.
Estimated cost by clinic type
Medium adult pet, no location adjustment.
| Scenario | Low | Average | High |
|---|---|---|---|
| General practice vet | $500 | $660 | $2,300+ |
| Specialty surgeon | $700 | $920 | $3,250+ |
| Emergency clinic | $1,300 | $1,700 | $5,900+ |
Estimated cost by urgency
Medium adult pet at a general practice.
| Scenario | Low | Average | High |
|---|---|---|---|
| Scheduled / planned | $500 | $660 | $2,300+ |
| Urgent (soon) | $630 | $830 | $2,900+ |
| Emergency | $800 | $1,050 | $3,700+ |
These are our model's estimates, not published prices. See how the multipliers work.
What clinics actually publish
These are prices U.S. clinics list on their own websites for cat mass / lump removal or a closely related service. Each one covers something different, so read the "Covers" note before comparing it with the range above or with your own quote.
Helping Hands Veterinary Surgery & Dentistry · Richmond, VA
$130
Small growth removal, dog or cat (priced by incision size) · Surgery & dentistry clinic
Covers: Surgery fee only. Bloodwork ($105), biopsy ($175) and other items are listed separately.
View the clinic's price page · accessed Nov 6, 2026
Clarity Vet · Denver, CO
$1,588
Basic lump/mass removal, cat · Outpatient surgery clinic
Covers: Bundle includes anesthesia, pre-op bloodwork, one histopathology submission, pain control and take-home medications.
View the clinic's price page · accessed Nov 6, 2026
Accessible Veterinary Care · Milton, FL
$250–$750
Cat mass removal · Veterinary clinic
Covers: Range depends on size and location of the mass; biopsy costs extra if recommended.
View the clinic's price page · accessed Nov 6, 2026
Listed prices are shown for reference only. We are not affiliated with these clinics, prices may have changed since we checked, and many exclude the exam, diagnostics, hospitalization, or medications. See Sources for the full list.
Does location change the price?
The published prices above come from 3 places (Richmond, VA; Denver, CO; Milton, FL). That is not enough to show a reliable regional pattern for mass / lump removal, and the prices cover different things, so we do not adjust our range from them. The calculator's location step uses general price levels (BEA Regional Price Parities, all items, 2024). For mass / lump removal, that moves our typical average of $660 to about $730 in California and $570 in Arkansas. Prices between clinics in the same city often differ by more than that.
Questions to ask your vet about mass / lump removal
Bring these to the appointment or ask for the answers in writing with your estimate. They are about cost and what is included, not about whether your pet needs treatment.
- Is histopathology included, and how much is each extra mass submitted?
- Do you recommend a needle aspirate or imaging first, and what does that cost?
- Is the fee per mass, by size, or by anesthesia time?
- If the lab finds the edges were not clear, how would further surgery be priced?
Frequently asked questions
Are lumps on cats usually serious?
What we could not verify
- The ACVS page we cite discusses mast cell tumors mainly in dogs; we did not find an equivalent owner-facing page focused on cat skin masses.
Have a published price or an itemized estimate that would help? Send it to us.
Sources and references
Medical background on this page is paraphrased from the sources below. Price ranges come from our cost model; the published clinic prices above link to each clinic's own page.
- Mast Cell Tumors — American College of Veterinary Surgeons (ACVS). Accessed Nov 12, 2026.
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Estimating: Mass / lump removal for a cat