A day procedure centre lost its licence in Hong Kong on Saturday, amid an investigation into allegations company staff handled unregistered injectable products, failed to maintain patient records and illegally used an X-ray machine.

The Department of Health said it had moved to strip Zhong Ji Longevity Day Procedure Centre of its licence after government employees performed a routine inspection in late November.

“The [centre] was found to have contravened the Code of Practice for Day Procedure Centres under the Private Healthcare Facilities Ordinance, including possession and suspected use of an unlicensed X-ray machine [and] suspected handling of [unregistered] injectable pharmaceutical products,” the department on Saturday said.

The centre, which is located in Causeway Bay’s Sino Plaza, offers services such as cell ageing tests and platelet-rich plasma injections. The latter is commonly used to treat tendon and muscle injuries.

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Only registered doctors can perform injection procedures in the city, with patients advised to check the Medical Council’s list of approved practitioners before seeking any such services.

The department urged any of the centre’s customers to seek medical attention if they feel unwell, adding the business had been told to contact clients who received any potentially unregistered products.

It said the centre had allegedly failed to properly maintain patient records or provide the necessary information about staff performing consultations and handing out drug prescriptions.

The centre was also being investigated for allegedly attempting to obstruct authorised officers from carrying out their duties, the department said, adding it would seek prosecution advice from the Department of Justice.

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Anyone caught possessing or using an unlicensed X-ray machine in Hong Kong can face up to two years in prison and a maximum fine of HK$50,000 (US$6,400).

Those convicted of illegally supplying pharmaceutical products can be jailed for two years and fined HK$100,000.

The local medical beauty industry came under scrutiny recently after 19 people contracted bacterial infections when they received fat removal injections at a site in Lai Chi Kok.

Four people were arrested in early November on suspicion of carrying out unlicensed medical practices.

Two women at another medical beauty parlour in Mong Kok were arrested the same month on suspicion of administering injections, such as wrinkle-smoothing Botox jabs, to more than 700 customers over the past year and prescribing steroids to minimise side effects.