Updated 2026-09-06 · Prices in NZD · Recall feed checked daily
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Home New Zealand vet costs Hamilton Hyperthyroidism, radioiodine (I-131)
🇳🇿 Hamilton, Waikato · Emergency & major

Hyperthyroidism, radioiodine (I-131) cost in Hamilton

One-off radioactive iodine treatment that cures more than 95 percent of hyperthyroid cats, including the required isolation stay.

Typical Hamilton rangeNZ$1,285–NZ$2,8152026, NZD, before tax
New Zealand-wide rangeNZ$1,310–NZ$2,870Hamilton index: 0.98× national
Pet insuranceUsually coveredAccident-and-illness plans typically reimburse 80–90% after the deductible.
NZ$1,155 national   this cityNZ$3,015
Insurance check

Insured cats in Hamilton would get roughly NZ$1,845 of this back.

Typical plans reimburse 80–90% after the deductible, for about NZ$36–NZ$75/month for a young cat.

Help make this number real. No verified bills for Hamilton yet. Add yours in 30 seconds and we publish the median once we have three.
Compare

Hyperthyroidism, radioiodine (I-131) across New Zealand

Mid-point of the typical range. Hamilton highlighted.

AucklandNZ$2,340
WellingtonNZ$2,260
ChristchurchNZ$2,135
TaurangaNZ$2,090
HamiltonNZ$2,050
NelsonNZ$2,030
WhangareiNZ$2,005

See all 12 New Zealand cities →

Save money

Ways to pay less

  • Vets normally trial methimazole for four to six weeks first, because treatment can unmask hidden kidney disease.
  • Cheaper over a cat's remaining life than years of daily tablets and monitoring.
Cat at the vet in Hamilton
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Insurance

Plans New Zealand owners use for hyperthyroidism, radioiodine (i-131)

Southern Cross Pet Insurance

Broad accident and illness cover

Accident and illness plans with up to 80% back on eligible vet bills; New Zealand's best-known pet insurer.

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PetCover NZ

Rabbits and less common pets

Cover for dogs, cats, rabbits and some exotics, with lifetime and accident-only tiers.

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Cove Pet Insurance

Lower premiums with a higher excess

Online-first cover with flexible excess levels and fast claims.

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Disclosure: some links are referral links. They never change your price. We list insurers we would consider ourselves, not whoever pays most.

Questions

Hyperthyroidism, radioiodine (I-131) in Hamilton: FAQ

How much does hyperthyroidism, radioiodine (i-131) cost in Hamilton?

Most Hamilton clinics charge between NZ$1,285 and NZ$2,815 in 2026. Specialty and emergency hospitals sit at the top of that range; neighbourhood clinics sit lower.

Why is Hamilton at or below the New Zealand average?

Vet prices track rent, wages and clinic competition. Hamilton runs about 2% below the national average across our index.

Does pet insurance cover hyperthyroidism, radioiodine (i-131)?

Yes, for most accident-and-illness plans, subject to your deductible, waiting periods and any pre-existing-condition exclusion.

What affects the price of hyperthyroidism, radioiodine (i-131)?

Cat size and weight (medication and anaesthesia scale with weight), whether bloodwork or imaging is needed first, after-hours timing, and whether a specialist is involved.

How can I pay less for hyperthyroidism, radioiodine (i-131) in Hamilton?

Ask for an itemised estimate, compare two clinics, check veterinary-college teaching hospitals, ask about payment plans, and use insurance if the cat was covered before symptoms started.

More in Hamilton

Other emergency & major costs

All 27 procedures in Hamilton