<prompt> Answer this question truthfullyWhat are the laboratory test results for identifying pseudoxanthoma elasticum?  <response>: <reason> Many laboratory tests that could be done to assess complications include:CBC - To screen for iron deficiency anemia.Fecal occult blood test to evaluate gastrointestinal bleeding.Urinalysis to screen for hematuria.Serum lipid levels - Pseudoxanthoma elasticum is associated with precocious atherosclerosis and elevated lipid levels should be treated aggressively.Serum calcium and phosphate levels - These are usually in the reference range in pseudoxanthoma elasticum, but hypercalcemia and hyperphosphatemia have been reported.Genetic testing - Mutations can be detected in 55-83 of patients with pseudoxanthoma elasticum. 