Clinical · subcategory

Bloodwork

Panels, reference intervals, biological variation, and resisting the urge to over-read one result.

30 topics1,532 posts9 solved Moderators: dr_okonkwo, KLindqvist About this category

HbA1c lipid panel eGFR & renal function liver enzymes thyroid function lipase & amylase

30 topics

Topic	Participants	Replies	Views	Activity
About the Bloodwork category HbA1c lipid panel eGFR & renal function Pinned Wiki Panels, reference intervals, biological variation, and resisting the urge to over-read one result. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…	+4	8	4.4k	3mo
Lipase elevation without symptoms: the interpretation problem thyroid function lipase & amylase eGFR & renal function Pinned Closed Lipase elevation without symptoms: the interpretation problem Writing it up because I had to work it out twice and would rather nobody else did. Asking about a population rather than about a person. The…	+21	25	62k	5mo
eGFR fluctuation and the creatinine denominator problem — the long version thyroid function eGFR & renal function liver enzymes lipase & amylase Under review eGFR fluctuation and the creatinine denominator problem — the long version — setting out what I have, and where I think it stops being reliable. Asking about a population rather than about a person. The…	+43	47	17k	just now
Reference intervals: how they are constructed and why one in twenty flags — does this still hold? thyroid function liver enzymes lipid panel HbA1c Solved Asking directly, because I could not find a straight answer: Reference intervals: how they are constructed and why one in twenty flags — does this still hold? General question, not a request for advice about…	+18	22	281	2h
Revisiting: Liver enzymes drifting down and what that usually means thyroid function eGFR & renal function liver enzymes lipase & amylase On the subject in the title: Revisiting: Liver enzymes drifting down and what that usually means Working notes rather than a conclusion. General question, not a request for advice about my own care — I know…	+55	61	39k	3h
Lipid changes during rapid weight loss: the expected trajectory liver enzymes thyroid function lipid panel lipase & amylase Solved Posting this under the heading it deserves: Lipid changes during rapid weight loss: the expected trajectory Everything below is what sits behind that. General question, not a request for advice about my own…	+11	15	34k	11h
HbA1c lag and what it can and cannot tell you at eight weeks — one year on liver enzymes lipase & amylase lipid panel thyroid function Posting this under the heading it deserves: HbA1c lag and what it can and cannot tell you at eight weeks — one year on Everything below is what sits behind that. General question, not a request for advice…	+18	22	655	13h
Fasting versus non-fasting and which tests care eGFR & renal function lipase & amylase HbA1c Solved Fasting versus non-fasting and which tests care Writing it up because I had to work it out twice and would rather nobody else did. General question, not a request for advice about my own care — I know the…	+72	78	14k	19h
A single out-of-range value on an otherwise normal panel lipid panel HbA1c liver enzymes lipase & amylase Posting this under the heading it deserves: A single out-of-range value on an otherwise normal panel Everything below is what sits behind that. General question, not a request for advice about my own care — I…	+70	75	20k	6d
eGFR fluctuation and the creatinine denominator problem eGFR & renal function liver enzymes lipid panel On the subject in the title: eGFR fluctuation and the creatinine denominator problem Working notes rather than a conclusion. General question, not a request for advice about my own care — I know the…		2	10k	6d
Reference intervals: how they are constructed and why one in twenty flags HbA1c thyroid function eGFR & renal function lipase & amylase Under review Reference intervals: how they are constructed and why one in twenty flags — setting out what I have, and where I think it stops being reliable. General question, not a request for advice about my own care — I…	+104	119	30k	1mo
[2026 update] Thyroid function tests during substantial weight change eGFR & renal function lipase & amylase HbA1c thyroid function Thyroid function tests during substantial weight change Writing it up because I had to work it out twice and would rather nobody else did. Asking about a population rather than about a person. The published…	+69	74	4.5k	2mo
Second pass at: Fasting versus non-fasting and which tests care lipase & amylase liver enzymes lipid panel HbA1c On the subject in the title: Second pass at: Fasting versus non-fasting and which tests care Working notes rather than a conclusion. General question, not a request for advice about my own care — I know the…	+20	25	21k	3mo
Which panel is worth repeating and which is worth ignoring — a second dataset lipid panel liver enzymes eGFR & renal function lipase & amylase Asking directly, because I could not find a straight answer: Which panel is worth repeating and which is worth ignoring — a second dataset General question, not a request for advice about my own care — I know…	+108	117	46k	4mo
Liver enzymes drifting down and what that usually means HbA1c liver enzymes eGFR & renal function Solved Closed Liver enzymes drifting down and what that usually means — setting out what I have, and where I think it stops being reliable. Asking about a population rather than about a person. The published trials in this…	+66	72	12k	4mo
Thyroid function tests during substantial weight change lipase & amylase HbA1c liver enzymes eGFR & renal function Closed Posting this under the heading it deserves: Thyroid function tests during substantial weight change Everything below is what sits behind that. General question, not a request for advice about my own care — I…	+136	149	3.3k	8mo
Biological variation versus analytical imprecision — does this still hold? HbA1c eGFR & renal function thyroid function lipid panel Solved Closed The question in the title: Biological variation versus analytical imprecision — does this still hold? I will give what I have already checked below so nobody repeats it. Asking about a population rather than…		2	1.8k	8mo
[2026 update] A single out-of-range value on an otherwise normal panel lipase & amylase liver enzymes lipid panel Solved Closed On the subject in the title: A single out-of-range value on an otherwise normal panel Working notes rather than a conclusion. General question, not a request for advice about my own care — I know the…	+15	19	53k	9mo
Which panel is worth repeating and which is worth ignoring eGFR & renal function liver enzymes HbA1c Solved The question in the title: Which panel is worth repeating and which is worth ignoring I will give what I have already checked below so nobody repeats it. General question, not a request for advice about my…	+125	133	17k	10mo
Micronutrient status when intake falls substantially lipase & amylase thyroid function lipid panel HbA1c Solved Wiki Closed On the subject in the title: Micronutrient status when intake falls substantially Working notes rather than a conclusion. Asking about a population rather than about a person. The published trials in this…	+26	30	367	11mo
Biological variation versus analytical imprecision lipase & amylase liver enzymes thyroid function HbA1c On the subject in the title: Biological variation versus analytical imprecision Working notes rather than a conclusion. General question, not a request for advice about my own care — I know the difference and…		2	42k	12mo
Lipase elevation without symptoms: the interpretation problem — a second dataset lipid panel liver enzymes HbA1c eGFR & renal function Wiki Closed Posting this under the heading it deserves: Lipase elevation without symptoms: the interpretation problem — a second dataset Everything below is what sits behind that. General question, not a request for…	+6	15	2.2k	13mo
How to bring a laboratory report to an appointment usefully thyroid function lipase & amylase lipid panel eGFR & renal function How to bring a laboratory report to an appointment usefully — that is the question, and I have not found it answered plainly anywhere I have looked. General question, not a request for advice about my own…		2	41k	14mo
[2026 update] Building a sensible monitoring schedule with your prescriber thyroid function HbA1c lipid panel lipase & amylase Closed Posting this under the heading it deserves: Building a sensible monitoring schedule with your prescriber Everything below is what sits behind that. General question, not a request for advice about my own care…	+22	26	5.1k	14mo
HbA1c lag and what it can and cannot tell you at eight weeks HbA1c lipid panel thyroid function lipase & amylase Solved HbA1c lag and what it can and cannot tell you at eight weeks Writing it up because I had to work it out twice and would rather nobody else did. General question, not a request for advice about my own care — I…	+14	18	2.6k	14mo
Micronutrient status when intake falls substantially — a second dataset thyroid function eGFR & renal function lipid panel lipase & amylase Closed Micronutrient status when intake falls substantially — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Asking about a population rather than about a person.…	+9	13	274	14mo
Second pass at: A single out-of-range value on an otherwise normal panel thyroid function lipid panel eGFR & renal function lipase & amylase Second pass at: A single out-of-range value on an otherwise normal panel Writing it up because I had to work it out twice and would rather nobody else did. General question, not a request for advice about my…	+9	13	8.5k	16mo
[2026 update] Lipid changes during rapid weight loss: the expected trajectory thyroid function eGFR & renal function lipid panel lipase & amylase Lipid changes during rapid weight loss: the expected trajectory Writing it up because I had to work it out twice and would rather nobody else did. Asking about a population rather than about a person. The…	+51	56	7.1k	17mo
Building a sensible monitoring schedule with your prescriber HbA1c eGFR & renal function lipase & amylase lipid panel Building a sensible monitoring schedule with your prescriber — setting out what I have, and where I think it stops being reliable. General question, not a request for advice about my own care — I know the…	+91	108	52k	19mo
Revisiting: How to bring a laboratory report to an appointment usefully HbA1c liver enzymes eGFR & renal function lipid panel Revisiting: How to bring a laboratory report to an appointment usefully — setting out what I have, and where I think it stops being reliable. General question, not a request for advice about my own care — I…	+143	154	1.7k	21mo

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