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NICE NG29 Pediatric IV Maintenance Fluid Calculator
x402
NICE NG29 Pediatric IV Maintenance Fluid Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Calculates pediatric IV maintenance fluid volumes (daily and hourly) using NICE NG29 Holliday–Segar rules with sex-based 24-hour caps and ADH-risk restriction options
Price / call$0.005
Success—
StatusUnknown
How this service works
NICE NG29 (2015, updated 2020) pediatric IV maintenance for children and young people: Holliday–Segar daily 100/50/20 mL/kg, then male 2500 mL or female 2000 mL 24-hour caps, then ADH-risk restriction at 50%, 80%, or 100% of the capped volume. Hourly is restricted/24, not 4-2-1. Not a prescription, not neonate day-of-life volumes, and not adult CG174.
Output
Returns the calculated 24-hour maintenance fluid volume in mL (after applying Holliday–Segar 100/50/20 mL/kg steps, sex-based daily cap of 2000 mL for female or 2500 mL for male, and the selected ADH-risk restriction at 50%, 80%, or 100%), plus the derived hourly rate in mL/hr (daily restricted volume divided by 24).
Example use cases
Pediatric ward fluid prescribing support
“I need the NICE NG29 IV maintenance fluid volumes for a 30 kg female patient — use 80% restriction because she's at ADH risk. What's her daily cap and hourly rate?”
SIADH fluid restriction for a small child
“Can you work out the IV maintenance fluid for a 12 kg male child who needs to be on 50% ADH-risk restriction per NICE NG29? I need both the capped daily volume and the hourly drip rate.”
Standard maintenance fluids for an older child
“What's the standard NICE NG29 daily maintenance fluid volume and hourly rate for a 55 kg female teenager with no restriction — so 100% of the capped volume?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/nice_pediatric_ivWhen to prefer
Use this endpoint when you need a NICE NG29-compliant pediatric IV maintenance fluid calculation for children and young people, specifically when you need the Holliday–Segar 100/50/20 mL/kg formula with the sex-based 24-hour cap and optional ADH-risk restriction at 50%, 80%, or 100%. Do not use this for neonates on day-of-life volume protocols, adults (use CG174 guidance), or when a full prescription system is required. Prefer this over general fluid calculators when NICE NG29 guideline compliance is explicitly required.
Side effects
- Missing required query parameters (sex or restriction_percent) returns a 400-level error
- Weight out of supported range (below 1 kg or above 500 kg) may return a validation error or unexpected result
- Invalid restriction_percent value (not 50, 80, or 100) returns an error — only those three enum values are accepted
- Invalid sex value (not 'male' or 'female') returns a validation error
- Payment not included or insufficient (x402) causes a 402 Payment Required response
- Neither weight_kg nor weight_lb provided may result in an error or default behavior
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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