All tests · Inflammatory & Other Chemistry
Inflammatory & Other Chemistry
Normal range 0.5–2.2 mmol/L. Specimen: Plasma or whole blood (on ice).
Also known as: serum lactate, lactic acid.
| Specimen | Plasma or whole blood (on ice) |
|---|---|
| Conventional range | 0.5–2.2 mmol/L |
| SI range | 0.5–2.2 mmol/L |
| Conversion factor | ×1 (conventional → SI) |
| Critical value | > 4 mmol/L signals significant hypoperfusion / sepsis |
| Panel | Inflammatory & Other Chemistry |
Convert any Lactate (Lactic Acid) result between units on the unit converter.
The standard teaching reference range for Lactate (Lactic Acid) is 0.5–2.2 mmol/L. This value is measured in plasma or whole blood (on ice).
A commonly taught critical (panic) value is > 4 mmol/L signals significant hypoperfusion / sepsis. Critical results are reported to the provider immediately under your facility's policy.
Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population — always use the range printed on the actual result.
Above the range
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