A patient with systemic-JIA on methotrexate is hospitalised with systemic upset and a high fever. | Medibuddy
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24th February 2025

A patient with systemic-JIA on methotrexate is hospitalised with systemic upset and a high fever.

A patient with systemic-JIA on methotrexate is hospitalised with systemic upset and a high fever. Secondary HLH is suspected. What is the single best laboratory investigation to request to help you make this diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.

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