Description
Explicit container-volume inventory, not a specimen collection amount or laboratory processing recommendation.
Pediatric research records use chronological age, visit windows, measurement resolution, task observations, and caregiver reports. Missing observation differs from noncompletion, and a completeness share depends on its denominator. Arithmetic on supplied records is separate from a developmental or clinical assessment.
Explicit container-volume inventory, not a specimen collection amount or laboratory processing recommendation.
When to use this tool
Use Pediatric Specimen Container Aliquot Budget when you need this age, observation, visit, measurement, or record-completeness calculation with supplied inputs.
How to use the tool and how it works
- Enter availableVolume, deadVolume, aliquots, aliquotVolume, reserveVolume. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read usableVolume, requiredVolume, remainingVolume, fits. Inspect fits before interpreting the associated values.
For nonnegative volumes with deadVolume<=availableVolume and nonnegative integer aliquots return usableVolume=available-dead, requiredVolume=aliquots*aliquotVolume+reserveVolume, remainingVolume=usable-required, and fits when required<=usable.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| availableVolume | Available Volume | Required. Finite number; minimum 0. |
| deadVolume | Dead Volume | Required. Finite number; minimum 0. |
| aliquots | Aliquots | Required. Safe integer; minimum 0. |
| aliquotVolume | Aliquot Volume | Required. Finite number; minimum 0. |
| reserveVolume | Reserve Volume | Required. Finite number; minimum 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| usableVolume | Usable Volume | Required. Finite number. |
| requiredVolume | Required Volume | Required. Finite number. |
| remainingVolume | Remaining Volume | Required. Finite number. |
| fits | Whether the supplied aliquot/reserve budget fits usable volume, not a sampling recommendation. | Required. Boolean. |
{
"input": {
"availableVolume": 10,
"deadVolume": 1,
"aliquots": 3,
"aliquotVolume": 2,
"reserveVolume": 1
},
"output": {
"usableVolume": 9,
"requiredVolume": 7,
"remainingVolume": 2,
"fits": true
}
}Limitations and assumptions
- Use one volume unit. This is a supplied specimen allocation budget, not guidance on blood-draw volumes, sampling from a child, specimen handling, assay adequacy, or clinical safety.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Signed zero is exported as zero.
Alternative or Complementary methods
Use verified dates, measurement protocols, and observation definitions for the intended research question. A clinical interpretation needs the relevant age-specific assessment and context beyond the arithmetic record check.
References
Similar or alternative tools
- Pathology Aliquot Retained Volume Gap
Disjoint specimen-volume ledger, with no inference about sampling adequacy or specimen handling.
- Pathology Cassette Block Count Reconcile
For nonnegative integer cassettes and createdBlocks, positive plannedBlocksPerCassette, and exhaustedBlocks<=createdBlocks return expectedBlocks=cassettes*plannedBlocksPerCassette, missingBlocks=expected-created, and remainingCreated=created-exhausted.