Weight - Revision history

Natalie.Murray@anthonynolan.org: /* Version */

2026-07-03T08:04:34Z

Version

2026-07-03T08:04:24Z

Date of Last Update

2026-06-25T14:29:08Z

Justification

2026-06-25T14:27:31Z

Guidance

2025-03-27T10:49:08Z

Guidance

2023-12-28T11:16:55Z

Guidance

2023-12-28T11:08:50Z

Guidance

2023-12-27T10:58:52Z

Explanation of Condition

2023-12-27T10:57:40Z

Guidance

2023-12-27T10:55:40Z

Version

@@ Line 54: / Line 54: @@
 ==Version==
-Version 1, Edition 4
+Version 1, Edition 5
 ====Date of Last Update====
 th June 2026

@@ Line 46: / Line 46: @@
 ==Justification==
-BMI is the most reliable tool to assess the body composition within the scientific community, and it is the criteria to based our decision upon.
+BMI is the most reliable tool to assess the body composition within the scientific community, and it is the criteria to based our decision upon, however it is an imperfect assessment. BMI may not be always accurate, particularly in ethnic minority groups.
-It should be strictly followed at recruitment although donors outside these limits at work-up should be discus with the medical officer who may allow them to proceed after discussion with the Medical Director.
 ==Pseudonyms or Related Conditions==

@@ Line 29: / Line 29: @@
 Acceptable
-- For PBSC - If BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO).
+- For PBSC - If BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO*).
-- For BM     - If BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO).
+- For BM     - If BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO*).
-There is no minimum weight cutoff, but donors with a low BMI should be assessed for any underlying eating disorder or medical condition contributing to their weight. It is also important to ensure they are not experiencing symptoms related to a low BMI. For donors with a low weight, check with the TC to confirm whether the weight discrepancy is acceptable.
+*BMI may not be accurate, particularly in ethnic minority groups. Consider donors with a borderline BMI on a case-by-case basis.
 Potential donors with BMI >35-40 may have complications prior, during and after the harvest:

@@ Line 29: / Line 29: @@
 Acceptable
-- For PBSC - if 45kg and over (or 7st 1lb) and BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO).
+- For PBSC - If BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO).
-- For BM     - if 45kg and over (or 7st 1lb) and BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO).
+- For BM     - If BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO).

@@ Line 20: / Line 20: @@
 Acceptable
-- For PBSC - if over 35kg (or 5st 7lb) and BMI less than, or equal to, 40.0.
+- For PBSC - if BMI less than, or equal to, 40.0.
-- For BM - if over 35kg (or 5st 7lb) and BMI less than, or equal to, 35.0.
+- For BM - if BMI less than, or equal to, 35.0.

@@ Line 12: / Line 12: @@
 To calculate BMI, use this calculator:
-[http://www.nhs.uk/Tools/Pages/Healthyweightcalculator.aspx NHS BMI Calculator]
+[https://www.nhs.uk/health-assessment-tools/calculate-your-body-mass-index/]
 ==Guidance==

@@ Line 20: / Line 20: @@
 Acceptable
-- For PBSC - if over 35kg (or 7st 12lb) and BMI less than, or equal to, 40.0.
+- For PBSC - if over 35kg (or 5st 7lb) and BMI less than, or equal to, 40.0.
-- For BM - if over 35kg (or 7st 12lb) and BMI less than, or equal to, 35.0.
+- For BM - if over 35kg (or 5st 7lb) and BMI less than, or equal to, 35.0.
@@ Line 29: / Line 29: @@
 Acceptable
-- For PBSC - if over 45kg (or 7st 12lb) and BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO).
+- For PBSC - if over 45kg (or 7st 1lb) and BMI less than, or equal to, 40.0 (If BMI 40-43 discuss with MO).
-- For BM     - if over 45kg (or 7st 12lb) and BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO).
+- For BM     - if over 45kg (or 7st 1lb) and BMI less than, or equal to, 35.0 (If BMI 35-40 discuss with MO).
-If a donor is <45kg, the VT team need to ask the TC what the patient weight is, and then discuss with a MO.
+If a donor is < 45kg, the VT team need to ask the TC what the patient weight is, and then discuss with a MO.