ClinVar Variants Track Settings
ClinVar Variants 20220313 (lifted)   (All Phenotype and Literature tracks)

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Exclude variants with Quality/confidence score (QUAL) score less than
Exclude variants with these FILTER values:
PASS (All filters passed)
CannotLiftOver (Liftover of a variant that needed reverse-complementing failed for unknown reasons.)
IndelStraddlesMultipleIntevals (Reference allele in Indel is straddling multiple intervals in the chain, and so the results are not well defined.)
MismatchedRefAllele (Reference allele does not match reference genome sequence after liftover.)
NoTarget (Variant could not be lifted between genome builds.)
Minimum minor allele frequency (if INFO column includes AF or AC+AN):

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Data schema/format description and download


The March 13th, 2022 release of ClinVar ( was lifted over from GRCh38 to the T2T-CHM13v2.0 assembly. Only variants on the primary assemblies for Chromosomes 1-22, Chromsome X and Chromosome Y were lifted over. This track contains ClinVar variants that lifted over from GRCh38 to the T2T-CHM13 assembly. This includes variants that lifted over perfectly, as well as variants that failed initial liftover due to reference/alternative allele swaps but were recovered on subsequent liftover, with reference and alternative alleles swapped appropriately.

These two sets of variants are included together in this track. If you are interested in downloading these sets separately (i.e., variants that lifted over perfectly vs. recovered variants with ref/alt allele swaps) they can be accessed here:


We performed liftover using the GATK release 4.1.9 LiftoverVcf (Picard Version 2.23.3) tool with the default parameters. This successfully lifts over variants that map exactly from GRCh38 to T2T-CHM13v2.0 but does not recover variants with swapped reference and alternative alleles. To recover variants with swapped reference/alternative alleles, we ran LiftoverVCF again, with the RECOVER_SWAPPED_REF_ALT flag. Notably, this feature does not recover multiallelic variants, so to recover these variants, we first separated them into multiple biallelic variants, performed liftover using the RECOVER_SWAPPED_REF_ALT tag, and converted them back to their multiallelic representations.



Van der Auwera GA & O'Connor BD. (2020). Genomics in the Cloud: Using Docker, GATK, and WDL in Terra (1st Edition). O'Reilly Media.