Test Index - M

M2 antibody     see liver antibodies

Mean corpuscular volume (MCV)     see FBC
Mean corpuscular haemoglobin (MCH)     see FBC
Mean corpuscular haemoglobin concentration (MCHC)     see FBC

Measles     see

 - measles serology

 - diagnostic virology for meningitis/encephalitis, and maculopapular rash ± fever,

 - screen for contacts of maculopapular rash

Metabolic stone screen    see renal stone former investigations

Metanephrines (urine)     see metadrenalines (urine)

Methaemalbumin - test no longer available.

Methoxytyramine   see metadrenalines (urine),  metadrenalines (plasma)

Microalbuminuria    see albumin (urine)

Microbiology and Infection tests - use A to Z index or search function to look up tests individually.

Monoclonal bands    see serum protein electrophoresis

Monocytes     see FBC

MPL mutation     see myeloproliferative neoplasm mutations

Mumps     see

 - mumps serology

 - parotid/submandibular swelling - diagnostic virology

 - meningitis/encephalitis - diagnostic virology.

Muscle-specific tyrosine kinase antibody     see MuSK antibody

Mycology     see scrapings/ clippings for mycological investigation

Myelin-associated glycoprotein antibody     see MAG antibody

Myelin-oligodendrocyte glycoprotein antibodies     see MOG antibodies

Myoglobin, urine - no longer available. Instead suggest serum CK and U&E.

Mysoline    see phenobarbitone