KSDK - A contentious question-and-answer exchange between Rep. John Shimkus (R-Ill.) and Health and Human Services Secretary Kathleen Sebelius is blowing up online.

"We're just going to agree to disagree. It's like talking to the Republic of Korea or something," Congressman Shimkus said of Secretary Sebelius' comments during the hearing.

That was just part of the exchange Wednesday. You can see more here:

Sebelius was testifying before the house Energy and Commerce committee about the Affordable Care Act. Shimkus wanted to know whether consumers pay higher premiums in exchange for not having to pay when they see a doctor.

After interrupting Sebelius, Shimkus can be heard telling the committee that he doesn't have to allow her to answer the question.

When we spoke with him this afternoon, Congressman Shimkus told Newschannel Five he doesn't think he spoke harshly.

"Maybe I should have worded it different," Shimkus said. "You know, if I have to apologize to her, I'm a big boy. This is not personal, it's just a tough business."

When asked about his reference to the Republic of Korea, Congressman Shimkus said maybe it was a mistake, and called South Korea one of our best allies.

Listen to our interview with Congressman Shimkus below: