# CAREDX Post heart transplant rejection surveillance tests Canonical: https://abierto.us/opportunities/36c26127q0083 - Solicitation number: 36C26127Q0083 - Notice type: Special notice - Status: Closed. Deadline was October 12, 2026 at 1:00 PM EDT - Department: Department of Veterans Affairs - Contracting office: 261-Network Contract Office 21 (36C261) - NAICS: 621511 Medical Laboratories - Product or service code: Q301 Reference Laboratory Testing - Who can bid, by location: Location not published. The notice publishes no state, city or site; its documents may. - First posted: October 7, 2026 - Last posted: October 7, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/a52f485f4820441fb8ac9124eedb06e0/view ## Description This is an INTENT TO SOLE SOURCE NOTICE only. This is an intent to sole source notice for commercial items prepared in accordance with FAR RFO Subpart 5.1, Presolicitation. This announcement constitutes the only notice of intent to sole source and synopsis of proposed action. The Department of Veteran Affairs, Network Contracting Office (NCO) 21, intends to issue a sole-source contract under the authority of this non-competitive acquisition as implemented by 41 U.S.C 253(c) (1) FAR RFO 6.103-1 (only one responsible source and no other supplies or services will satisfy agency requirements), to CareDx. We believe there are no authorized third-parties that can provide the proprietary AlloMap® gene expression profiling and AlloSure® donor-derived cell-free DNA (dd-cfDNA) assays to satisfy this requirement. Services will include a five (5) year IDIQ ordering period contract. This notice of intent is not a request for quotations; interested parties may express their interest by providing a capability statement and returning it to Cynthia.Diezel@va.gov no later than 10:00 AM PST on 10/12/26. When responding to this announcement, respondents should refer to number 36C26127Q0083, Notice of Intent in the subject line. A determination not to compete this proposed contract upon responses to this notice is solely within the discretion of the Government. Verbal and facsimile responses are not acceptable and will not be considered. All interested parties are reminded to be registered with System for Award Management (SAM) at https://sam.gov/SAM/ in order to be eligible for award of Government contracts. No telephone calls will be accepted. If after 10/12/26 at 10:00 AM PST, no viable responses have been received in response to this announcement, NCO 21 shall negotiate solely with CareDx. The applicable NAICS Code is 621511 and the size standard is $41.5M. Vendors must show they can provide services as described in the attached Description of Services. Failure to complete the questions below will be considered non-responsive and will not be considered a viable source. The Government anticipates the award of a firm-fixed-price contract. A determination by the Government whether to compete the proposed requirement shall be based upon responses received and is solely within the discretion of the government. Information received shall be considered solely for the purpose of determining whether to conduct a competition. Estimated Period of Performance (POP): 03/01/2027 2/29/2032. Contract will be inclusive of five (5) one-year task order periods. Must answer the following questions if your company decides to respond: What is your company s Socioeconomic Status? (ex: small business, large business, SDVOSB, etc.) a. If SDVOSB or VOSB, are you registered in Vendor Information Pages (VIP)? https://www.vip.vetbiz.va.gov/ Provide Company s legal name along with SAM UEI. Capabilities Statement List of Projects (Government and Commercial) that are similar in scope and size. Anticipated Teaming Arrangements (if any). If plan on subcontracting, demonstrate that you will meet the limitations on subcontracting per FAR 52.219-14 for Small Businesses; VAAR 852.219-74 for SDVOSB/VOSB. GSA Contract Number, if applicable. Provide an estimate price for base year plus four option years. RFI number 36C26127Q0083 has been assigned and should be referenced on all correspondence regarding this announcement. See attached document: Description of Services. ## Attachments - [36C26127Q0083.docx](https://sam.gov/api/prod/opps/v3/opportunities/resources/files/71a99367d02e49c3b48c1d9c7ae81782/download) ## Open now in the same industry 6 open in NAICS 621511. - Reference and Esoteric Laboratory Testing (36C24227R0003), due November 30, 2026 at 3:00 PM EST. https://abierto.us/opportunities/36c24227r0003 - Blood Donor Panel Testing for Captain James A. Lovell Federal Health Care Center (FHCC) (36C25227Q0071), due November 3, 2026 at 11:00 AM EST. https://abierto.us/opportunities/36c25227q0071 - Laboratory Support Services (HQ0034-26-SS-1019SAM), due November 9, 2026 at 10:00 AM EST. https://abierto.us/opportunities/hq003426ss1019sam ## Publications - October 7, 2026: Special notice, due October 12, 2026 at 1:00 PM EDT. Notice a52f485f4820441fb8ac9124eedb06e0. https://sam.gov/workspace/contract/opp/a52f485f4820441fb8ac9124eedb06e0/view ## Points of contact - Cynthia Diezel, Contracting Officer, cynthia.diezel@va.gov, (916) 923-4567 --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/36c26127q0083.