# description
Codes for biosignal types and derived measurements supported by the AnyBio platform.

# property[].description
Equivalent LOINC code for this biosignal, when a standard LOINC code exists.

# property[].description
UCUM unit code for the measurement value.

# concept[].definition
Linear acceleration along 3 axes from accelerometer.

# concept[].definition
Minutes spent in elevated heart-rate activity zones.

# concept[].definition
Rotational movement across axes from gyroscope.

# concept[].definition
Hydrogen ion concentration in arterial blood (acid-base status).

# concept[].definition
Partial pressure of carbon dioxide in arterial blood.

# concept[].definition
Partial pressure of oxygen in arterial blood.

# concept[].definition
Proportion of monitored time in atrial fibrillation.

# concept[].definition
Composite attention level score (dimensionless). Derived behavioral metric; does not conform to a US Core profile.

# concept[].definition
Arterial blood pressure (systolic/diastolic). Asserts us-core-blood-pressure: BP is emitted as a conformant panel Observation (LOINC 85354-9 panel code, no top-level value, two component[] entries — systolic 8480-6 / diastolic 8462-4, both UCUM mm[Hg]).

# concept[].definition
Blood urea nitrogen concentration (renal function).

# concept[].definition
Proportion of total body mass that is adipose tissue.

# concept[].definition
Body mass index, derived from body weight and height.

# concept[].definition
Core body temperature in degrees Celsius.

# concept[].definition
Total body water as a proportion of body mass.

# concept[].definition
Estimated total energy expenditure in kilocalories.

# concept[].definition
Estimated cardiovascular age in years (UCUM annum).

# concept[].definition
Categorical CGM trend (e.g. rising/falling). Projects as a coded category, not valueQuantity.

# concept[].definition
Digital image captured for analysis. Projects as media/imaging, not valueQuantity.

# concept[].definition
Electrical activity of the heart (waveform capture). Projects as SampledData, not valueQuantity.

# concept[].display
Electrodermal Activity / Skin Conductance

# concept[].definition
Electrodermal activity tonic level (skin conductance baseline) in microsiemens; sympathetic arousal surrogate.

# concept[].definition
Electrical activity of the brain (waveform capture). Projects as SampledData, not valueQuantity.

# concept[].definition
Electrical activity of skeletal muscle (waveform capture). Projects as SampledData, not valueQuantity.

# concept[].definition
Corneo-retinal potential changes with eye movement (waveform capture). Projects as SampledData, not valueQuantity.

# concept[].definition
Partial pressure of CO2 at end expiration (capnography).

# concept[].definition
Fall detection event (binary/count). Projects as valueInteger/event, not valueQuantity.

# concept[].definition
Fetal heart rate in beats per minute (no US Core profile for fetal HR).

# concept[].definition
Volume exhaled in the first second of a forced expiration.

# concept[].definition
Total exhaled volume after full inspiration during a forced maneuver.

# concept[].definition
Gait speed extracted from IMU signals (representative gait metric).

# concept[].definition
Continuous interstitial glucose concentration in milligrams per deciliter.

# concept[].definition
Number of cardiac cycles (heart beats) per minute, derived from ECG R-R intervals or PPG pulse intervals.

# concept[].definition
Heart rate variability expressed as RMSSD (root mean square of successive R-R interval differences) in milliseconds.

# concept[].definition
Proportion of blood volume occupied by red blood cells.

# concept[].definition
Categorical hypertension alert (boolean/event). Projects as valueBoolean, not valueQuantity.

# concept[].definition
Blood lactate concentration; elevated in hypoperfusion.

# concept[].definition
Maximal aerobic capacity during graded exercise (CPET-derived).

# concept[].definition
Peripheral oxygen saturation (SpO2) as a percentage of hemoglobin saturated with oxygen.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported free-text journal. Projects as valueString, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Patient-reported outcome score. Projects as valueInteger/score, not valueQuantity.

# concept[].definition
Maximum flow achieved during forced expiration.

# concept[].definition
Optical waveform tracking blood volume changes. Projects as SampledData, not valueQuantity.

# concept[].definition
Platelet (thrombocyte) concentration in blood.

# concept[].display
Pulse Transit Time / Pulse Wave Velocity

# concept[].definition
Pulse wave velocity (arterial stiffness surrogate); PTT/PWV procedure-derived measure.

# concept[].definition
Estimated daily resting (basal) energy expenditure.

# concept[].definition
Heart rate measured at rest (daily resting HR).

# concept[].definition
Mood score from bio-mood widget (1-5 scale). Score, not valueQuantity.

# concept[].definition
Peripheral skin-surface temperature in degrees Celsius.

# concept[].definition
Apnea-Hypopnea Index: respiratory events per hour of sleep.

# concept[].definition
Sleep duration and staging summary surrogate. Composite/score, not valueQuantity.

# concept[].definition
Number of steps taken, aggregated per day (or cadence in steps per minute). Count, not a UCUM quantity.

# concept[].definition
Task completion from bio-task-list widget. Projects as valueBoolean, not valueQuantity.

# concept[].definition
Wrist skin-temperature deviation from personal baseline, in degrees Celsius.