LOINC Code 80181-1: S-adenosylmethionine and S-adenosylhomocystine pattern Nar [Interp]

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component S-adenosylmethionine & S-adenosylhomocystine pattern. It is commonly used with the system or sample type Ser/Plas.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Observation

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• S-adenosylmethionine and S-adenosylhomocystine pattern [Interpretation] in Serum or Plasma Narrative
• S-adenosylmethionine & S-adenosylhomocystine pattern
• S-adenosylhomocysteine (SAH) and S-adenosylmethionine (SAM) levels are measured when investigating folate and vitamin B12 deficiency, and the ratio of SAH to SAM is also used as a measure of methylation status. Low levels of SAM have also been associated with depression, dementia, vacuolar myelopathy and liver disease.
• Adenosylmethionine; Chemistry; Dementias; Depression, Emotional; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; Pl; Plasma; Plsm; Point in time; Random; Report; S prime; S-Adenosyl Methionine; SAMe; SAM-e; SAMe and SAH pattern; Sammy; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions