Lyme Disease Doctor

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Functional Medicine Lab Ranges

Written by Dr. Diane Mueller

Conventional medicine’s frame of reference is disease management. While this is a necessary part of our health care system, it is only one lens into how we can address health.

At My Lyme Doc, we are focused on moving you towards optimal wellness. This means that the way we interpret lab values is oriented to looking at how people’s labs look when they are in optimal health. Below you will find lab values for many common functional medicine reference ranges. If you compare these to standard testing, you will find that functional medicine lab values are different. Again, this is because we are not oriented towards disease management, but instead towards how we can make your body feel its best!


Thyroid Functional Medicine Lab Ranges

TSH:0.5-2 uIU/mL
Free T4:1-2.3 ng/dL
Free T3:3.3-8 pg/mL
Reverse T3:11-18 ng/dL
TPO Antibodies:<2 IU/mL
TG Antibodies<2 IU/mL
Total T46-12 ug/dL
Total T3100-180 ug/dL
T3 Uptake 28-38%

**30% increase in thyroid hormones and a decrease in TSH with pregnancy is normal.

CBC Functional Medicine Lab Ranges

RBC4.4 – 5 (can be higher at higher elevation)
HBG13.5-15 g/dL
MCV85-92 fL
MCH27.7 – 32 pg
MCHC32-36 g/dL
Neutrophil/Lymphocyte Ratio2/1

CMP and Other Markers Functional Medicine Lab Ranges

HgA1C<5.4 %
Uric Acid3.2 – 5.5 mg/dL
BUN13-18 mg/dL
Creatinine.65-.9 mg/dL for Females

.85-1.1 mg/dL for Males
eGRF>59 mL/min/1.73
Sodium134-140 mmol/L
Potassium4.5- 5.1 mmol/L
Chloride100-106 mmol/L
CO222-27 mmol/L
Anion GapCalculation: Na + K – CO2 – CL = 6-16

or: Na – CO2 – CL = 3 – 11
Phosphorus3.5-4.0 mg/dL
Calcium9.2-10.1 mg/dL
Magnesium2.0-2.5 mg/dL
Total Protein6.9-7.4 g/dL
Albumin4.0-5.0 g/dL
Globulin2.4-2.8 g/dL
Bilirubin direct0-0.4 mg/dL
Total Bilirubin.1-1.2 mg/dL
Alkaline Phosphorus44-90 IU/L
LDH135-180 IU/L
ALT< 26 Females <30 Males
AST< 26 Females <30 Males IU/L
GGTP10-21 Females 10-29 Males IU/L
TIBC250-350 ug/dL
Serum Iron40-135 ug/dL (if goes on the low end, make sure transferrin is okay)
Ferritin30-100 Females 30-200 Males
Cholesterol150-220 mg/dL
HDL55-85 mg/dL
VLDL<30 mg/dLa
LDL120 mg/dL *
Cholesterol/HDL Ratio<3
CRP- hs<1
Homocysteine<7 umol/L
1,25 Dihydroxy Vitamin D (D2 + D3 fractionated by LC/MS-MS)30-60 pg/mL
1, 25 Dihydroxy Vitamin45-80 pg/mL

Adrenal Hormones

Sex Hormones Women

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