I was diagnosed with hyperthyroidism/ Graves.March,2009. I currently take methimazole for thyroid, also ( BP & betablocker meds. I am scheduled for thyroid uptake scan in three weeks. Could someone please take a look at my lab(s) results and tell me what is going on? Also, If (T4) is not converting what does that mean? What makes this happen? Is this common? I am posting my last two lab test results again in hopes of getting answers. Thank you in advance! Here they are: (Sept.16,2009) (T4Ref.range (4.5-12.5)mcg/dl 3.6L) , FTI=( T UPTAKE x T4) /100 ESTIMATED REFERENCE RANGE BASED ON T4 AND THYROID UPTAKE REFERENCE RANGES IS (1.1- 4.4) TSH Ref.Range (0.350-5.500)uim/ml) TSH (0.267L)... (FREE T3 Ref.range(1.8-4.2)pg/mL n/a),... (TotalT3 Ref.range(60-181)ng/dL 113.00).... ( PREG QUAL(negative),... (FREE T4 (0.50-1.80)ng/dL n/a)...... (Oct27,2009) (Ref.Ranges same as above.) (T4 n/a)...,(TSH 0.010L)...,(FREE T3 5.8H) (Total T3 n/a... and PREG QUAL n/a)... (FREE T4 0.740) Thank you!