{{Rsnum
|rsid=292001
|Gene=C1QA
|Chromosome=1
|position=22638465
|Orientation=plus
|GMAF=0.3907
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;G)
|geno3=(G;G)
|Gene_s=C1QA
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;G)
| geno3=(G;G)
| CEU | 15.9 | 46.0 | 38.1
| HCB | 36.5 | 48.9 | 14.6
| JPT | 38.1 | 53.1 | 8.8
| YRI | 79.6 | 19.0 | 1.4
| ASW | 73.7 | 24.6 | 1.8
| CHB | 36.5 | 48.9 | 14.6
| CHD | 40.4 | 44.0 | 15.6
| GIH | 35.6 | 47.5 | 16.8
| LWK | 73.6 | 24.5 | 1.8
| MEX | 44.8 | 41.4 | 13.8
| MKK | 67.3 | 28.2 | 4.5
| TSI | 16.7 | 49.0 | 34.3
| HapMapRevision=28
}}{{PMID Auto
|PMID=18504288
|Title=Analysis of C1q polymorphisms suggests association with systemic lupus erythematosus, serum C1q and CH50 levels and disease severity
}}

{{PMID Auto
|PMID=21968398
|Title=TRAF1/C5, eNOS, C1q, but not STAT4 and PTPN22 gene polymorphisms are associated with genetic susceptibility to systemic lupus erythematosus in Turkey
}}

{{PMID Auto
|PMID=23602874
|Title=C1q but not Mannose-binding lectin (Mbl-2) gene polymorphisms are associated with Type 2 diabetes in the genetically homogeneous population of the island of Crete in Greece
}}

{{PMID Auto
|PMID=23607884
|Title=Genetic variants in the region of the C1q genes are associated with Rheumatoid Arthritis
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | Illumina Human 1M}}