Hyperlactatemia (also known as Hyperlactatemias): Increase in blood LACTATE concentration often associated with SEPTIC SHOCK; LUNG INJURY; SEPSIS; and DRUG TOXICITY. When hyperlactatemia is associated with low body pH (acidosis) it is LACTIC ACIDOSIS.

NIH MeSH · D065906Diseases

Hyperlactatemia

Also known asHyperlactatemias

Definition

Increase in blood LACTATE concentration often associated with SEPTIC SHOCK; LUNG INJURY; SEPSIS; and DRUG TOXICITY. When hyperlactatemia is associated with low body pH (acidosis) it is LACTIC ACIDOSIS.

MeSH classification

  • C18.452.479
  • C23.888.516

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Acid-Base Imbalance

Disturbances in the ACID-BASE EQUILIBRIUM of the body.

Acidosis

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Acidosis, Lactic

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Common questions about Hyperlactatemia

What does Hyperlactatemia mean in medicine?
Increase in blood LACTATE concentration often associated with SEPTIC SHOCK; LUNG INJURY; SEPSIS; and DRUG TOXICITY. When hyperlactatemia is associated with low body pH (acidosis) it is LACTIC ACIDOSIS. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Hyperlactatemia known by any other names?
Yes. Hyperlactatemia is also referred to as Hyperlactatemias in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Hyperlactatemia sit in the medical classification?
Hyperlactatemia falls under the broader medical category "Diseases" in the MeSH hierarchy (tree numbers: C18.452.479, C23.888.516). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Hyperlactatemia?
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Source: NIH MeSH 2026 (D065906) — National Library of Medicine, public domain. View official MeSH record ↗