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Another Obamacare extension for 2015 enrollment

Dan Mangan
Getty Images

Americans will get one week more to sign up for Obamacare health insurance to have that coverage kick in by Jan. 1, officials announced Friday.

(Read more: California's grey Obamacare numbers )

The original deadline required people to apply, enroll and begin paying for an insurance plan from the government-run Obamacare exchanges by Dec. 15 for coverage to begin Jan. 1.

But in a call with reporters Friday, Centers for Medicare and Medicaid Services spokeswoman Julie Bataille said the deadline would now be Dec. 23.

(Read more: Obamacare's (less than) 1% percent problem "overblown": study )

The extension was made in light of continued bugs on HealthCare.gov, the federally run insurance marketplace, as well as generally low levels of enrollment to date in both the 36 states covered by that insurance exchange, and in the 15 state-run exchanges.

(Read more: Oh baby! Most women in dark about free birth control Obamacare mandate )

-By CNBC's Dan Mangan. Follow him on Twitter @_DanMangan

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