LOINC Code 46746-4: Phenylketonuria and variants/Biopterin defects (DBS) [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 Phenylketonuria and variants &or biopterin defects. It is commonly used with the system or sample type Bld.dot.

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: Both

What it does not mean

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

Key facts

• Phenylketonuria and variants/Biopterin defects newborn screen interpretation
• Phenylketonuria and variants &or biopterin defects
• BIOPT; Blood; Chemistry; DBS; Dried blood spot; Filter paper; FP; Gyn; Gynecology; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; OB; ObGyn; Obstetrics; PKU; PKU+Var/BIOPT Defects; Point in time; Random; WB; Whole blood

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