ICD-10-CM>Q00-QA1>Q80-Q89>Q89>Q89.0Q89.0Congenital absence and malformations of spleenNon-Billable/Non-SpecificType 1 Excludesisomerism of atrial appendages (with asplenia or polysplenia) (Q20.6)CodesQ89.01Asplenia (congenital)Q89.09Congenital malformations of spleen