VANTRA
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The laboratory module of Vantra HMIS. One versioned record holds the EMR's order, the specimen, the values, the quality-control evidence and the signature - then returns the signed result to the chart. It is dark by default and runs only in facilities we have enabled.
Drawn in markup from the live workstation rather than photographed: there are no hospital screenshots on this site, and no patient's data to show. Every name and value below is invented - the accession and record numbers are generated with the same check-digit algorithms the product uses, so they are at least internally honest.
| Patient | Panel | Status | Specimen | Ordered | Results |
|---|---|---|---|---|---|
N. Achieng KLB-004821-5 | CBC · Complete Blood Count Routine | Resulted | KLB-L-000318-3 blood | 4 Aug, 08:12 | 5 analytes · 1 critical |
J. Barasa KLB-004907-2 | BMP · Basic Metabolic Panel Urgent | Collected | KLB-L-000319-1 serum | 4 Aug, 08:40 | - |
F. Odongo KLB-005133-4 | Malaria rapid test Stat | Ordered | - | 4 Aug, 09:03 | - |
S. Kimani KLB-005210-0 | CBC · Complete Blood Count Routine | Validated | KLB-L-000324-1 blood | 4 Aug, 07:29 | 5 analytes |
Collection, result entry and sign-off stay locked on any row whose patient identity the facility-scoped lookup has not verified.
N. Achieng KLB-004821-5
Complete Blood Count KLB-L-000318-3
Adult built-in ranges · cbc-adult-defaults-v1
| Analyte | Value | Reference | Flag |
|---|---|---|---|
| WBC | 12.6 10^9/L | 4-11 10^9/L | High |
| RBC | 3.6 10^12/L | 4-5.9 10^12/L | Low |
| HGB | 6.4 g/dL | 12-17.5 g/dL | Critical low |
| HCT | 21.8 % | 36-53 % | Low |
| PLT | 96 10^9/L | 150-450 10^9/L | Low |
I confirm the saved reference-range set and the EMR-derived patient context shown above are clinically appropriate for this result.
Validate and sign offOnly a lab supervisor reaches this action, and only once every numeric analyte on this exact panel version carries a current, independently approved quality-control run.
| Analyte | Lot | Observed | Target (mean ± SD) | Outcome | Approval |
|---|---|---|---|---|---|
| WBC | L-24C118 | 7.9 | 7.5 ± 0.4 | Pass z 1.00 | Approved |
| RBC | L-24C118 | 4.90 | 4.80 ± 0.15 | Pass z 0.67 | Approved |
| HGB | L-24C118 | 13.4 | 13.2 ± 0.3 | Pass z 0.67 | Approved |
| HCT | L-24C118 | 41.6 | 40.0 ± 1.0 | Pass z 1.60 | Approved |
| PLT | L-24C118 | 275 | 250 ± 12 | Warning z 2.08 | Pending |
A run can only be approved by a lab supervisor who did not record it, and only within 24 hours of being recorded. A warning or a failure can be rejected - never approved.
Laboratory orders placed in the EMR enter a priority-aware worklist with the originating patient, encounter, panel and order provenance retained.
Collect, reject or recollect specimens with generated accession and barcode identifiers, collection history and optimistic version checks.
Enter structured results manually or receive numeric HL7 ORU and ASTM E1394 output from a credential-, device- and fixture-bound site Bridge. Both listeners journal accepted payloads durably before acknowledging the analyser.
Versioned panel definitions constrain analytes, units and reference context instead of accepting arbitrary result fields from a device or user.
Record analyser quality-control runs, calculate bounded QC outcomes and capture an authorised acknowledgement trail for critical results.
Authorised staff validate or amend versioned results. Finalisation returns the result to the clinical chart and requests the corresponding charge through durable module events.
None of this is advice to the laboratory. Each line below is a check the module makes inside the same transaction that moves the order - and refuses to skip.
lack_7d2af0c418b6e59341cc0827bd5f
Recorded through the governed action against an already-validated result that carries a critical flag, and kept inside the encrypted order. Vantra does not place the call: a dedicated acknowledgement screen and automated escalation are still to come.
The EMR writes its order and the module event in one transaction. The laboratory resolves the encrypted source record, checks it really is a laboratory service order, and keys the worklist item to that event - so a redelivered event returns the same item instead of a second one.
A per-facility counter allocates the sequence inside the same transaction that creates the specimen, and the number carries a check digit. The barcode is a patient-free value bound to that one specimen: it identifies the tube without saying whose it is.
Labels, units, ranges and flags sent by a browser or a device are ignored. Values are validated against the active panel version and flagged from the range set that applies to that patient; if the catalogue moved while the form was open, the submission is refused rather than reinterpreted.
Only a lab supervisor can validate. Every numeric analyte on that exact panel version needs a passing quality-control run that somebody else approved within the last 24 hours, and the supervisor separately confirms the range set the result was read against.
Validation freezes the values. A later change is a new amendment version carrying its reason, its author and its value-by-value difference from the version before it; the earlier version stays readable.
The same transaction writes one chart-return event and one charge request whose identity is derived from the facility and the order. A concurrent validation loses the version check, and a retry cannot produce a second charge.
Fail-closed rather than best-effort: a row whose patient identity cannot be verified keeps its actions locked, and a delivery that fails is retried from a durable queue rather than dropped.
Every line is a surface or a handler operation that exists today. What is still open is in the band below rather than hidden in this list.
An EMR laboratory order creates a traceable worklist item for the correct facility and priority.
Laboratory staff collect and label the specimen, or reject and recollect it with the reason preserved.
Results are entered against the configured panel or ingested from an approved HL7 or ASTM device mapping through the site Bridge, with durable pre-acknowledgement journaling and governed analyte translation.
An authorised reviewer validates the versioned result, which returns to the EMR and creates the downstream charge request.
Persistent ASTM and HL7 sockets cannot run inside a serverless function, so they do not pretend to. The listeners live on a separate on-site Bridge, and the cloud checks their work again before it writes anything.
What the Bridge does
What it will not claim
Shipping the protocols is the easy half. The exact instrument, its firmware, the fixture, the disconnect and retry path, and the way its output correlates to an accession all have to pass a recorded conformance run at your site before a single result reaches a patient's chart.
Live mapping, heartbeat, queue and conformance state are managed centrally in the hospital administration surface - not from the laboratory workstation, and not by the laboratory.
LIS is a private-rollout HMIS module, not a public patient-data demo. An entitled laboratory account can open the live workstation; prospective clients can request a synthetic-data walkthrough and analyser-conformance assessment.
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