What are the limitations of the magic agvhd score?

While the magic agvhd score is highly validated, it should not replace clinical judgment. OpiCalc provides the latest evidence-based limitations for the magic agvhd score to ensure safe bedside use and optimal diagnostic accuracy.

How does the magic agvhd score compare to other hematology scores?

The magic agvhd score is a gold-standard diagnostic tool. OpiCalc provides side-by-side clinical guidance to help clinicians choose the most specific evidence-based tool for their patient's presentation.

Is the magic agvhd score free to use?

Yes. OpiCalc provides the magic agvhd score completely ad-free and optimized for mobile bedside use, ensuring you can calculate medical risk swiftly and without distraction.

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MAGIC aGvHD Biomarker Score

MAGIC Biomarker Staging: Predicting Non-Relapse Mortality (NRM) using serum concentrations of ST2 and Reg3α. Note: Formal MAGIC calculation requires specific laboratory standardization.

ST2 (ng/mL)

Marker of systemic inflammation

Reg3α (ng/mL)

Marker of GI crypt damage

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Prognostic assessment of patients at the onset of Grade I–IV acute Graft-versus-Host Disease (aGvHD).

To predict the probability of Non-Relapse Mortality (NRM) independent of clinical severity.

Identifying "high-risk" patients who may benefit from augmented first-line or early second-line therapy.

Patient Population

Adult and pediatric patients following allogeneic hematopoietic cell transplantation (alloHCT) who develop clinical aGvHD.

Section 2

Formula & Logic

Primary MAGIC Biomarkers

Biomarker	Significance
ST2	Marker of systemic inflammation and endothelial distress; predictor of steroid-refractory GvHD.
Reg3α	Marker of intestinal crypt damage; specific for gastrointestinal GvHD.

Ann Arbor Staging (Biomarker-based)

Stage	Risk Level	6-month NRM (%)
1	Low Risk	5 - 10%
2	Intermediate Risk	20 - 25%
3	High Risk	40 - 50%

Section 3

Pearls/Pitfalls

Biomarkers vs. Symptoms

Biomarkers often reveal the biological severity of aGvHD before the full clinical phenotype emerges. For example, a patient with mild (Stage 1) skin and GI symptoms but High-Risk MAGIC biomarkers has a significantly higher hazard of death than a patient with severe symptoms but Low-Risk biomarkers.

Section 4

Evidence Appraisal

Primary Score

A biomarker-based algorithm for the diagnosis and risk stratification of acute graft-versus-host disease.

Harris AC et al. • JCI Insight. 2017;2(3):e91530.

View Source

Section 5

Literature

Consortium

Developed by the Mount Sinai Acute GvHD International Consortium (MAGIC), a group of over 20 transplant centers worldwide dedicated to improving aGvHD monitoring.

Last Comprehensive Review: 2026

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Prognostic assessment of patients at the onset of Grade I–IV acute Graft-versus-Host Disease (aGvHD).

To predict the probability of Non-Relapse Mortality (NRM) independent of clinical severity.

Identifying "high-risk" patients who may benefit from augmented first-line or early second-line therapy.

Patient Population

Adult and pediatric patients following allogeneic hematopoietic cell transplantation (alloHCT) who develop clinical aGvHD.

Section 2

Formula & Logic

Primary MAGIC Biomarkers

Biomarker	Significance
ST2	Marker of systemic inflammation and endothelial distress; predictor of steroid-refractory GvHD.
Reg3α	Marker of intestinal crypt damage; specific for gastrointestinal GvHD.

Ann Arbor Staging (Biomarker-based)

Stage	Risk Level	6-month NRM (%)
1	Low Risk	5 - 10%
2	Intermediate Risk	20 - 25%
3	High Risk	40 - 50%

Section 3

Pearls/Pitfalls

Biomarkers vs. Symptoms

Section 4

Evidence Appraisal

Primary Score

A biomarker-based algorithm for the diagnosis and risk stratification of acute graft-versus-host disease.

Harris AC et al. • JCI Insight. 2017;2(3):e91530.

View Source

Section 5

Literature

Consortium

Developed by the Mount Sinai Acute GvHD International Consortium (MAGIC), a group of over 20 transplant centers worldwide dedicated to improving aGvHD monitoring.

Last Comprehensive Review: 2026

Related Hematology Tools

R-ISS

IMWG Response Criteria

MRD Assessment Threshold Interpreter

mSMART 3.0

SLiM-CRAB Criteria

Durie-Salmon Staging

AL Amyloidosis Staging

HCT-CI

EBMT Risk Score

DRI

Have feedback about this calculator?Let us know.

MAGIC aGvHD Biomarker Score

MAGIC Biomarker Staging: Predicting Non-Relapse Mortality (NRM) using serum concentrations of ST2 and Reg3α. Note: Formal MAGIC calculation requires specific laboratory standardization.

ST2 (ng/mL)

Marker of systemic inflammation

Reg3α (ng/mL)

Marker of GI crypt damage

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Prognostic assessment of patients at the onset of Grade I–IV acute Graft-versus-Host Disease (aGvHD).

To predict the probability of Non-Relapse Mortality (NRM) independent of clinical severity.

Identifying "high-risk" patients who may benefit from augmented first-line or early second-line therapy.

Patient Population

Adult and pediatric patients following allogeneic hematopoietic cell transplantation (alloHCT) who develop clinical aGvHD.

Section 2

Formula & Logic

Primary MAGIC Biomarkers

Biomarker	Significance
ST2	Marker of systemic inflammation and endothelial distress; predictor of steroid-refractory GvHD.
Reg3α	Marker of intestinal crypt damage; specific for gastrointestinal GvHD.

Ann Arbor Staging (Biomarker-based)

Stage	Risk Level	6-month NRM (%)
1	Low Risk	5 - 10%
2	Intermediate Risk	20 - 25%
3	High Risk	40 - 50%

Section 3

Pearls/Pitfalls

Biomarkers vs. Symptoms

Section 4

Evidence Appraisal

Primary Score

A biomarker-based algorithm for the diagnosis and risk stratification of acute graft-versus-host disease.

Harris AC et al. • JCI Insight. 2017;2(3):e91530.

View Source

Section 5

Literature

Consortium

Developed by the Mount Sinai Acute GvHD International Consortium (MAGIC), a group of over 20 transplant centers worldwide dedicated to improving aGvHD monitoring.

Last Comprehensive Review: 2026

Guidelines & Evidence

Clinical Details

Section 1

When to Use

Prognostic assessment of patients at the onset of Grade I–IV acute Graft-versus-Host Disease (aGvHD).

To predict the probability of Non-Relapse Mortality (NRM) independent of clinical severity.

Identifying "high-risk" patients who may benefit from augmented first-line or early second-line therapy.

Patient Population

Adult and pediatric patients following allogeneic hematopoietic cell transplantation (alloHCT) who develop clinical aGvHD.

Section 2

Formula & Logic

Primary MAGIC Biomarkers

Biomarker	Significance
ST2	Marker of systemic inflammation and endothelial distress; predictor of steroid-refractory GvHD.
Reg3α	Marker of intestinal crypt damage; specific for gastrointestinal GvHD.

Ann Arbor Staging (Biomarker-based)

Stage	Risk Level	6-month NRM (%)
1	Low Risk	5 - 10%
2	Intermediate Risk	20 - 25%
3	High Risk	40 - 50%

Section 3

Pearls/Pitfalls

Biomarkers vs. Symptoms

Section 4

Evidence Appraisal

Primary Score

A biomarker-based algorithm for the diagnosis and risk stratification of acute graft-versus-host disease.

Harris AC et al. • JCI Insight. 2017;2(3):e91530.

View Source

Section 5

Literature

Consortium

Developed by the Mount Sinai Acute GvHD International Consortium (MAGIC), a group of over 20 transplant centers worldwide dedicated to improving aGvHD monitoring.

Last Comprehensive Review: 2026

Related Hematology Tools

R-ISS

IMWG Response Criteria

MRD Assessment Threshold Interpreter

mSMART 3.0

SLiM-CRAB Criteria

Durie-Salmon Staging

AL Amyloidosis Staging

HCT-CI

EBMT Risk Score

DRI

Have feedback about this calculator?Let us know.