The Department of Health and Human Services, specifically the National Institutes of Health (NIH), intends to award a Firm-Fixed price purchase order for maintenance services on the Illumina NextSeq™ 2000 Sequencer, which is critical for diagnosing inherited immune disorders within the Department of Lab Medicine. The procurement will cover comprehensive support, including parts, labor, travel, and technical assistance, with the requirement that only Illumina, Inc. can provide the necessary services due to their exclusive access to performance-verified components and technical expertise. Interested parties capable of offering similar services are invited to submit a capability statement by the specified deadline, with all inquiries directed to Kimala Winfield at kimala.winfield@nih.gov or Malinda Dehner at dehnerm@cc.nih.gov.