CHEMISTRY

Bilirubin (Bu)                       Serum, cord blood

                                             Serum, neonate

> 3.0 mg/dL

> 18 mg/dL

Calcium, ionized

< 3.0 or > 6.5 mg/dL

Calcium, total

< 6.0 or > 13.0 mg/dL

Glucose, serum                                 General

                                                      Neonates

< 50 or > 450 mg/dL

< 30 or > 300 mg/dL

Osmolality

< 240 or > 320 mOsm/Kg

pH

< 7.20 or > 7.60

pO₂

< 40 mm Hg

Sodium

< 120 or > 160 mmol/L

Potassium

< 3.0 or > 6.0 mmol/L

URINALYSIS

Glucose, urine

                                        Newborns to < 1 yr

Positive

Ketones, urine

                                        Newborns to < 1 yr

Positive

Reducing Substances, urine

                                        Newborns to < 1 yr

Positive

Red Cell Cast

Present

HEMATOPATHOLOGY

APTT

> 70 seconds (if patient not on anticoagulant therapy)

Fibrinogen

< 100 mg/dL

Hematocrit                                           Adults

                                                          Infants

< 15%

≤ 21%

Hemoglobin                                         Adults

                                                          Infants

< 5.0 g/dL

< 7.0 g/dL

Platelet

< 50.0 x 10³/uL

> 1.0 x10⁶/uL

Protime (PT)

> 42.1 seconds

INR >4.5

Joint Fluid WBC

≥ 50,000/mm³

WBC

< 2.0 x 10³/uL

MICROBIOLOGY

·         Positive blood culture direct Gram stain

·         Positive CSF smear  or culture

·         Positive HSV I or II cultures or DFA from neonates and patients in L&D   or the Pavilion

·         Positive CSF Cryptococcal antigen

·         Positive C. difficile toxin

·         Positive smear for  blood parasites

·         Positive AFB smear