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I'm sure there is, though I'm not aware of any in particular.
The composition of gas clouds throughout the milky way is not homogeneous. From my understanding of the process, deuterium ions are formed during nucleosynthesis in stars (apart from that formed about 2-3 sec after the BB up until about 3 minutes after the BB, though most if not all of the earlier deut would have been destroyed by high intensity gamma radiation). Deuterium is basically a proton and a neutron and is an intermediary product in the process of producing helium, . If this stellar deuterium can make it out of the core where nucleosynthesis is going on, it has the chance of making it out of the star altogether, eventually joining with an electron and forming a deuterium atom. This "leaked" deuterium contributes to the total deuterium mass in a given gas cloud, however apart from the BB stuff the next major source is from supernova explosions, where huge quantities of deuterium is believed to be produced.
So the long and the short of it is, the concentration of deuterium that may collect to become water>ice in comets in a stellar nebula varies depending on the output of stars seeding surrounding gas clouds and the resultant product of any supernova in the area along with variations in the distribution of the original BB deuterium.
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