Pure.
CADD's key is not what you would guess
Every other dbNSFP predictor exposes <name>.rankscore. CADD does not: it is
cadd.raw_rankscore, and there is no plain cadd.rankscore. Following the
pattern gives NA for CADD on every variant with nothing to indicate it.
References
Xin et al. (2016). High-performance web services for querying gene and variant annotation. Genome Biology 17, 91. doi:10.1186/s13059-016-0953-9
Service documentation: https://myvariant.info/