I have to admit I don't understand. A Spearman correlation cannot be calculated if the only values in the data are 1 or missing. Even if (as you said in your original message, but not in your most recent messge) that the values are 1 and 0, I don't see this as a candidate for a Spearman correlation. Correlation between two binary variables is measured by the Phi Coefficient, which is an output from PROC FREQ.
I'm also mystified by your title, "how to denote different categories", which doesn't seem to relate at all to anything you have written.
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