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723.8 states CERVICAL SYNDROME NEC so many coders will use this code for cervical facet syndrome. 724.8 since the location in the ICD9 it reflects lower back so some coders use this for Lumber facet syndrome, but many LCDs tell us to use 724.8 for ALL facet syndrome Levels.
TEXT. A number sign (#) is used with this entry because Cockayne syndrome A (CSA) is caused by homozygous or compound heterozygous mutation in the gene encoding the group 8 excision repair cross-complementing protein (ERCC8; 609412) on chromosome 5q11.allery, D. L., Tanganelli, B., Colella, S., Steingrimsdottir, H., van Gool, A. J., Troelstra, C., Stefanini, M., Lehmann, A. R. Molecular analysis of mutations in the CSB (ERCC6) gene in patients with Cockayne syndrome. Am. J. Hum. Genet.