Yang 2011 REACH-B 17-point HCC risk (non-cirrhotic REVEAL-HBV)
Yang 2011 REACH-B 17-point HCC risk (non-cirrhotic REVEAL-HBV). Sex female 0, male 2; age 30-65 (30-34 0 through 60-65 6); ALT U/L <15 0, 15-44 1, >=45 2; HBeAg positive 2; HBV DNA copies/mL <10000 0, 10000-99999 3, 100000-999999 5, >=1000000 4. Returns score 0-17 and published 3/5/10-year percents. Not a diagnosis, not a biopsy, not for cirrhosis. magent does not assay ALT or HBV DNA.
Asked 1.4x its listed price for its own exampleour last check, 2026-09-28
1 of 1checks answered this week
288 msmedian answer time
$0.005listed price per call
$0.007price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.magentlab.com/api/calc/reach_b
| Category | Everything else |
|---|---|
| Provider host | api.magentlab.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-28 | valid payment request | 402 | $0.007 | 288 ms |
Example input (from the provider)
{
"body": {
"items": [
{
"age": 30,
"alt_u_l": 14,
"hbeag_positive": false,
"hbv_dna_copies_per_ml": 200,
"sex": "female"
},
{
"age": 30,
"alt_u_l": 14,
"hbeag_positive": false,
"hbv_dna_copies_per_ml": 200,
"sex": "female"
}
]
},
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"items": {
"items": {
"properties": {
"age": {
"description": "Age in years. Yang 2011 derivation 30-65 only: 30-34 scores 0; 35-39 scores 1; 40-44 scores 2; 45-49 scores 3; 50-54 scores 4; 55-59 scores 5; 60-65 scores 6. Age 34 scores 0; 35 scores 1; 65 scores 6. Age outside 30-65 is rejected. This tool does not score age >=65 as 7.",
"type": "integer"
},
"alt_u_l": {
"description": "Alanine aminotransferase in U/L (1-10000). Caller-assigned; magent does not assay ALT. Yang 2011: <15 scores 0; 15-44 scores 1; >=45 scores 2. ALT 14 scores 0; 15 and 44 score 1; 45 scores 2.",
"type": "number"
},
"hbeag_positive": {
"description": "HBeAg positive as assigned by the caller (Yang 2011). true scores 2; false scores 0. magent does not assay HBeAg.",
"type": "boolean"
},
"hbv_dna_copies_per_ml": {
"description": "HBV DNA in copies/mL (integer 0-10000000000). Yang 2011 uses copies/mL, not IU/mL. magent does not assay HBV DNA and does not convert units. <300 scores 0; 300-9999 scores 0; 10000-99999 scores 3; 100000-999999 scores 5; >=1000000 scores 4 (non-monotonic: 10^6 scores 4, 10^5 to 10^6-1 scores 5).",
"type": "integer"
},
"sex": {
"description": "female or male. Yang 2011: female scores 0; male scores 2.",
"enum": [
"female",
"male"
],
"type": "string"
}
},
"required": [
"sex",
"age",
"alt_u_l",
"hbeag_positive",
"hbv_dna_copies_per_ml"
],
"type": "object"
},
"maxItems": 25,
"minItems": 1,
"type": "array"
}
},
"required": [
"items"
],
"type": "object"
},
"headers": {
"additionalProperties": {
"type": "string"
},
"type": "object"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}