Short sex chromosome. What do doctors do now when they encounter a patient with intersex? ICD-9 Codes. You may find it helpful to search within the site to see how similar or related subjects are covered. Charmian Quigley:. Where should I go? The other 22 pairs of chromosomes are called autosomes. The Y test will be of most benefit for those looking to confirm Y chromosome matching at our highest level between two living men. Krob, G. Videos Still Available!