Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (1471 page)

in renal failure

seizures

urine

Magnetic resonance cholangiopancreatography (MRCP)

hyperbilirubinemia

Malabsorption

albumin

bentiromide

carotene tolerance test

causes

celiac disease

cholesterol

core laboratory

D
-xylose test

ESR

fat absorption indices

hematology

iron

pancreatitis, chronic

PT

secretin-cholecystokinin

serum trypsinogen

stool fat

vitamin A tolerance test

Malaria

blood parasite examination

ESR

globulin

indirect bilirubin

reticulocyte count

Malaria Smear.
See
Blood Parasite Examination

Malassezia furfur

Malformation, renal parenchymal

Mallory-Weiss syndrome

MALT-lymphoma.
See
Mucosa-associated lymphoid tissue (MALT) lymphoma, gastric

Mantle cell lymphoma (MCL)

transformation

Maple syrup urine disease (MSUD)

Marfan syndrome (MFS)

Marginal zone lymphoma (MZL)

anticoagulant

laboratory findings

MALT lymphoma

splenic marginal B-cell lymphoma

signs and symptoms

MALT lymphoma

splenic marginal B-cell lymphoma

Maroteaux-Lamy syndrome

Maternal quad screen, during second trimester of pregnancy

Maternal serum screen, trisomy 18.
See also
Second trimester screening

Maternal triple screen during first trimester of pregnancy

May-Hegglin anomaly

inherited thrombocytopathies

MCH.
See
Mean corpuscular hemoglobin (MCH)

MCHC.
See
Mean corpuscular hemoglobin concentration (MCHC)

MCKD.
See
Medullary cystic kidney disease (MCKD)

MCL.
See
Mantle cell lymphoma (MCL)

MCTD.
See
Mixed connective tissue disease (MCTD)

MCV.
See
Mean corpuscular volume (MCV)

MDMA, pain management

MDS.
See
Myelodysplastic syndrome (MDS)

Mean corpuscular hemoglobin (MCH)

anemia

hereditary elliptocytosis

Mean corpuscular hemoglobin concentration (MCHC)

AIHAs

HbS and HbC disease

hereditary elliptocytosis

hereditary spherocytosis

macrocytic anemias

sickle cell disease

Mean corpuscular volume (MCV)

anemia

G6PD deficiency

HbS and HbC disease

hemoglobinopathy

hereditary elliptocytosis

hypothyroidism

lead poisoning

liver disease

macrocytic anemia

microcytic anemias

normocytic anemias

reticulocyte count

sickle cell β-thalassemia disease

sickle cell disease

Mean platelet volume (MPV)

hypothyroidism

thrombocytopenias

Measles.
See also
Rubeola

IgG AND IgM

serology screen

viral pneumonia

Measurement error

Mechanical hemolysis

antiphospholipid antibody syndrome

D
-dimer

fibrinogen degradation products (FDPs)

haptoglobin

HELLP syndrome

hemosiderin

microspherocytes

peripheral blood smear (PBS)

vasculitis

Mechanical hemolytic anemias

Medullary cystic kidney disease (MCKD)

diabetes insipidus

MUC1 gene

nephronophthisis

type 1

type 2.
See
(Uromodulin-associated kidney disease (UAKD))

Medullary sponge kidney

Megestrol, adrenal insufficiency

Melkersson-Rosenthal syndrome, Bell palsy

Membranoproliferative glomerulonephritis (MPGN)

C3

C4

cryoglobulinemia

evaluation algorithm

GFR

hematuria

nephritic syndrome

proteinuria

serum complement levels

Membranous glomerulonephritis.
See also
Glomerulonephritis, membranous

MEN.
See
Multiple endocrine neoplasia (MEN)

Ménétrier disease, nonatrophic (type B gastritis)

Meningitis

acridine orange staining

aerobic bacterial culture

CBC

CRP

CSF concentration, of protein and glucose

ESR

gram stain

H. influenzae

HSV

N. meningitidis

Meningococcemia, adrenal insufficiency

Menkes syndrome

ceruloplasmin

Mental stress

Meperidine, pain management

Metabolic acidosis

AG

CO
²

diagnostic findings

hyperparathyroidism

with increased anion gap

normal anion gap

pancreatitis

potassium

renal tubular acidosis

with respiratory alkalosis

serum pH

Metabolic alkalosis

acute liver failure (ALF)

blood gases

BUN

causes

chloride

diagnostic findings

hypercalcemia

pCO
²

primary hyperaldosteronism

with respiratory alkalosis

serum pH

total plasma CO
²

Metabolic disorders

CRP

and electrolyte abnormalities

HDL cholesterol (HDL-C)

hereditary and genetic diseases

familial hyperinsulinism

maple syrup urine disease

phenylketonuria

LDL cholesterol (LDL-C)

newborn screening for

triglycerides (TGs)

Metachromatic leukodystrophy

Metanephrines

pheochromocytoma

urine

Metapneumovirus, respiratory culture panel molecular assay

Methadone, pain management

Methamphetamine

intoxication, chest pain

pain management

Methicillin-resistant
staphylococcus aureus
culture (rule out)

Methotrexate

Methylenedioxymethamphetamine (MDMA)

Methylmalonic acid (MMA)

Metyrapone test, ACTH

MF.
See
Mycosis fungoides (MF)

MFS.
See
Marfan syndrome (MFS)

Mg.
See
Magnesium (Mg)

MGUS.
See
Monoclonal gammopathy of undetermined significance (MGUS)

Microalbumin, urine

American Diabetes Association definition

hypertension

in kidney dysfunction

Microalbuminuria

Microangiopathic hemolytic anemias

Microcytes, HbE disease

Microcytic anemias

ferritin

iron

MCV

thalassemias

total iron-binding capacity (TIBC)

transferrin

Microscopic polyangiitis

eosinophilic granulomatosis with polyangiitis

Microspherocytes, mechanical hemolysis

Microsporidia examination

Microsporidiosis

Microvasculopathy, DM

diabetic nephropathy

retinopathy and neuropathy

Milk-alkali syndrome, hypercalcemia

Minimal change disease

nephrotic syndrome

Minimal residual disease (MRD)

monitoring, AML

MIS.
See
Müllerian-inhibiting substance (MIS)

Mitochondrial nonsyndromic sensorineural deafness

Mixed acid-base disturbances

blood pH

HCO
³

pCO
²

pH

Mixed connective tissue disease (MCTD)

anticardiolipin antibodies (ACAs)

anti-CCP antibodies

anti-double-stranded DNA (anti-dsDNA) antibodies

antinuclear antibodies (ANAs)