England will push for players from all countries to be blood-tested for Human Growth Hormone at this year's Four Nations rugby league tournament.

Rugby Football League executive chairman Richard Lewis says the test should be used in the end-of-season tournament involving Australia, England, New Zealand and Papua New Guinea.

HGH testing is not currently conducted in the NRL.

Veteran hooker Terry Newton, who plays with Super League club Wakefield, recently became the first footballer of any code to return a positive HGH test.

He was suspended for two years.

"It's certainly something the RFL would strongly support because it's able to detect substances that urine testing can't detect," Lewis told has Wednesday's Rugby League Week.

"I think it's an accepted test now. The reason it's been a big story around that world is that it (the Newton case) has established it as a bona fide test.

"I assumed the code that we (Rugby League International Federation) passed in Singapore would include all the latest testing."

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