you really do need to see your doc and ask him this specific question as anything we could give you in the way of advice most likely would not help as what you were told might mean many different things.The only thing that I am possibly thinking here would be that your creatinine may be slightly elevated.it is probably the best overall test that ...
The first three digits of a ZIP code refer to a sectional center or a large city. The last two digits refer to a specific post office facility or delivery area. In ZIP+4 format, a hyphen is required to separate the first five and last four of a ZIP code. The first two of the +4 code refer to a sector or a few blocks. The last two of a +4 code refer to a specific segment or one side of a street.
Using area codes to help efficiently sort post was introduced in 1943. However, by the. 1950's a more specific and detailed guide was needed. This is when the United States Postal Service began using the ZIP code (ZIP meaning Zone Improvement Plan). It was first thought of by postal inspector Robert Moon - he submitted the proposal for a ZIP code in 1944.