A: The variant NC_000020.11:g.3213196C>A in gene ITPA is classified as 'drug_response' for peginterferon_alfa-2b_and_ribavirin_response_-_Toxicity|not_provided|Inosine_triphosphatase_deficiency|not_specified. Molecular consequence: SO:0001583: missense_variant,SO:0001619: non-coding_transcript_variant,SO:0001623: 5_prime_UTR_variant,SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: .|MedGen:C3661900|MONDO:MONDO:0013461,MedGen:C0342800,OMIM:613850|MedGen:CN169374. Review status: reviewed by expert panel.