What is a Laboratory Information System (LIS)?

A Laboratory Information System (LIS) is the operational software of a clinical or pathology laboratory. Where a hospital has a Hospital Information System (HIS) and a clinic has an Electronic Medical Record (EMR), a lab runs an LIS: the system that knows which tests were ordered for which patient, which sample they are on, what the analyser reported, who verified it, and where the report went.

What an LIS is responsible for

The scope varies by product, but a diagnostic-lab LIS almost always covers the following, and the value comes from them being one record rather than five that have to be reconciled:

• Registration and order entry — capturing the patient, the referring doctor, the tests ordered and the billing details, usually against a preloaded test catalogue with prices, panels and packages.
• Sample management — generating an accession number and a barcode, recording collection, and tracking each tube through the lab so a result can always be tied back to the right patient.
• Worklists and analyser integration — sending the pending tests to the instruments and receiving results back automatically, so staff verify numbers instead of typing them. See how analyser integration works.
• Result entry and calculation — for manual and semi-automated tests, plus derived values (ratios, eGFR, indices) and reference ranges that flag high, low and critical results.
• Technical and medical validation — rule checks and a human sign-off. A pathologist or authorised scientist reviews and releases the report; nothing reaches the patient unsigned.
• Reporting — the formatted report on the lab’s letterhead with signatures, interpretations and, increasingly, a QR code or WhatsApp link for the patient.
• Billing and accounts — invoicing, discounts, referring-doctor commissions, insurer / TPA claims and day-end reconciliation.
• Analytics and audit — turnaround time, revenue, referrer performance, and an audit trail of who did what.

LIS vs LIMS vs HIS vs EMR

These terms overlap and are often used loosely. In practice:

• LIS — patient-centric, built for clinical diagnostics: haematology, biochemistry, microbiology, pathology, radiology reporting.
• LIMS — sample-centric, built for research, pharma, food and environmental testing, where the unit of work is a sample or a batch rather than a patient. More on this in LIS vs LIMS.
• HIS — the hospital-wide system; the lab module inside it is an LIS, or the HIS integrates with a standalone one.
• EMR / EHR — the clinician’s record. It receives results from the LIS; it does not run the lab.

Cloud, on-premise, or both

Traditional LIS software was installed on a server in the lab. Modern systems are usually cloud-hosted: nothing to install, automatic backups, every branch in one account, and the owner can open the dashboards from anywhere. The trade-off is a dependence on the internet connection, which is why some vendors also offer an offline desktop edition that keeps working through an outage and syncs later — useful for a collection centre on an unreliable line. Raydian LIS offers both.

What to look at when choosing one

The licence fee is rarely the real cost — migration, analyser interfacing and retraining are. Judge an LIS on how well it fits your lab: the analysers you own, the volume you run, the reliability of your connection, whether you have one site or several, and whether the pricing model rises with exactly the growth you are trying to buy. Our buyer’s guide works through the six questions that usually decide it.