LOINCActiveObservation

LOINC Code 11635-0: Fetal Biophysical profile.tone US

11635-0 is a LOINC code used to identify Fetal Biophysical profile.tone US in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Biophysical profile.tone. It is commonly used with the system or sample type ^Fetus.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Biophysical profile.tone. It is commonly used with the system or sample type ^Fetus.

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
  • Method: US

What it does not mean

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

Key facts

  • Fetal Biophysical profile.tone US
  • Biophysical profile.tone
  • At least one episode of active extension with return to flexion of fetal limb(s) or trunk; opening and closing of hand considered normal tone
  • BPP.tone; Echography; Fetal; Function; Gyn; Gynecology; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Ordinal; Point in time; Prof; QL; Qual; Qualitative; Random; Screen; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

Fetal Biophysical profile.tone USFet BPP.tone USBiophysical profile.toneOB.USFcnPt^Fetus

Frequently asked questions

Code details

Code11635-0
SystemLOINC
Display nameFetal Biophysical profile.tone US
DescriptionBiophysical profile.tone
Short nameFet BPP.tone US
ComponentBiophysical profile.tone
PropertyFcn
TimingPt
System (specimen)^Fetus
ScaleOrd
MethodUS
ClassOB.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.27

Part names

Biophysical profile.toneFcnPt^FetusOrdUSFunctionPoint in time (spot)Ultrasound

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 11635-0 | HealthAssure