Appendix J - Dietary feedback and G Pletter examples NI Report NDNS 2019-2023
Source: data.gov.uk (2025-10-10)

National Diet and Nutrition Survey 2017 to 2023 Report for Northern Ireland. This report presents results from 2017-2023 of the National Diet and Nutrition Survey (NDNS) for Northern Ireland. NDNS is a continuous cross-sectional survey, designed to assess the diet, nutrient intake and nutritional status of the general population aged 18 months and over living in private households in the UK.

NDNS_Y12-15_Appendix J Dietary feedback and GP letter examples.docx. For use from 011221
Our ref: <> /GP2M/«Serial_Num»«CKL»«P_Num»
«DrName»
«PracName»
«PracAdd1»
«PracAdd2»
«PracAdd3»
«PracAdd4»
«PracPC»
«OurLetterDate2»
Re: «KasAll» («FancyDoB») of «LongRAddr» «RPostcode»
«Further to a letter sent to you << AXLet1Date>>, I am writing to you with the results of additional blood
tests. As mentioned in the previous letter, the above patient of yours took part in the National Diet and Nutrition
Survey (NDNS). » «He/She/His parent/Her parent gave us written permission to send you the following
potentially clinically relevant examination results from a nurse visit on «Vizdate».
Test
Analyte
Results1
Reference Range
Units
Vitamin B12
Vitamin B12
«SvitB12»
211-911
ng/L
Iron
Serum ferritin
«SFerritin»
M&F 1-15 yrs: 8-116
M 15+ yrs: 22-322
F 15+ yrs: 10-291
Adult M: 26 - 388
Adult F: 8 - 252
μg/L
Vitamin D
25-hydroxyvitamin
D
«P25OHD»
25 – 150
In the interpretation of vitamin D
results please refer to NOS
guidance and local clinical
guidance for clinical action,
particularly for those at risk e.g.
frail and elderly.
nmol/L
Fasting Blood
Lipids
Triglycerides
«Trig»
Interpretation of cholesterol and
other lipid results should follow
the NSF guidelines. See for
example, data at the back of the
current BNF.
mmol/L
Total Cholesterol
«Chol»
mmol/L
HDL Cholesterol
«HDL»
mmol/L
Non-Fasting
Blood Lipids
Total Cholesterol
«Chol»
mmol/L
HDL Cholesterol
«HDL»
mmol/L
Folate
Serum folate
«SerumFolate»
Adequate ≥13
Insufficient <7
Possibly insufficient <13
nmol/L
Serum folate and 25-hydroxyvitamin D were measured at a research laboratory and therefore results
for these analytes may not be directly comparable with those obtained at a routine clinical laboratory.
Abnormal results should be confirmed to determine clinical relevance.
1 results that fall outside the reference/normal range are marked with an *
NM - not measured;
NR - for technical reasons it was not possible to carry out this analysis

NDNS_Y12-15_Appendix J Dietary feedback and GP letter examples.docx. For use from 011221
Note: The results in this letter have been reviewed by a medical panel in a secure database format prior to this
letter subsequently being generated electronically.
In order to help with interpretation of folate concentrations we have re-provided the FBC results as
well (please see below).
This patient «wished to have/did not want to receive» «results and these are being sent at the same
time as this notification to you./results.»
We are notifying you of the above clinically reportable results as per the terms of ethical approval for
the NDNS. Based on the above results, we would be grateful if you would kindly follow up with the
patient as needed and at your clinical discretion. NDNS does not have access to the healthcare
records or treatment history of your patient and are thus not in a position to interpret the significance
of these results. If you wish to discuss any of the results, please contact me at MRC Epidemiology
Unit, University of Cambridge on xx-xxxx-xxxx.
Yours sincerely,
Steph Moore
NDNS Survey Co-ordinator
MRC Epidemiology Unit, University of
Cambridge
School of Clinical Medicine
Box 285, Institute of Metabolic Science,
Cambridge Biomedical Campus,
Hills Road, Cambridge, CB2 0QQ

NDNS_Y12-15_Appendix J Dietary feedback and GP letter examples.docx. For use from 011221
Test
Analyte
Results1
Reference Range
Units
Blood count
Haemoglobin
«gHaemgp»«g
Haemtx»
M&F 6m+: 102-134
M&F 2y+: 107-139
M&F 6y+: 112-146
M 12y+: 125-160
F 12y+: 120-154
M 15y+: 130-166
F 15y+: 120-154
M 18y+: 135-172
F 18y+: 120-156
M 65y+: 125-172
F 65y+: 118-158
g/L
Haematocrit
«gHcritGP»«g
HcritTx»
M&F 12m+: 0.315-0.405
M&F 2yrs+: 0.325-0.415
M&F 6yrs+: xx-xxxx-xxxx
M 12 yrs+: xx-xxxx-xxxx
F 12yrs+:xx-xxxx-xxxx
M 15+ yrs: 0.380-0.490
F 15+ yrs: xx-xxxx-xxxx
M 18+ yrs: xx-xxxx-xxxx
F 18+ yrs: xx-xxxx-xxxx
M 65+ yrs: 0.370-0.490
F 65+ yrs: xx-xxxx-xxxx
L/L
Mean Cell Volume
«gMCVgp»«g
MCVtx»
M&F 12m+:72-93
M&F 2y+:73-91
M&F 4y+: 74-89
M&F 6+: 76-91
M&F 12+ yrs: 78-93
M&F 15+ yrs: 79-96
M&F 18+ yrs:80-99
M&F 65+ yrs:80-101
fL
Mean Cell
Haemoglobin
«gMchaegp»«
gMchaetx»
M&F 1y+:23.5-31
M&F 2y+:24-31
M&F 4y+: 24.5-31
M&F 6y+: 25-31.5
M 12y+: 26-32.5
F 12y+: 26.5-33
M&F 15y+: 26.5-33
M&F 18y+: 27-33.5
M&F 65y+: 27-34
pg/cell
Red blood cell count
«gRCCgp»«g
RCCtx»
M&F 6m+: 3.7-5.15
M&F 2y+: 3.85-5.15
M&F 6y+: 3.95-5.25
M 12y+: 4.10-5.55
F 12y+: xx-xxxx-xxxx
M 15y+: 4.2-5.65
F 15y+: xx-xxxx-xxxx
M 18y+: 4.3-5.75
F 18y+: 3.9-5.2
M 65y+: 4.0-5.65
F 65y+: 3.85-5.2
10^12/L

NDNS_Y12-15_Appendix J Dietary feedback and GP letter examples.docx. For use from 011221
Platelet Count
«gPlatgp»«gPl
attx»
M&F 1y+: 220-490
M&F 2y+: 200-460
M&F 4y+: 200-445
M&F 6y+: 180-415
M&F 12y+: 170-400
M&F 15y+: 160-385
M&F 18y+: 150-370
M&F 65y+: 160-370
10^9/L
White blood cell count
«gWBCgp»«g
WBCtx»
M&F 1y+: 6.0-15.0
M&F 2y+: 5.4-13.8
M&F 4y+: 5.1-12.9
M&F 6y+: 4.8-12.0
M&F 12y+: 4.5-11.4
M&F 15y+: 4.2-10.8
M&F 18y+: 3.9-10.2
M&F 65y+: 3.6-10.5
10^9/L
Neutrophils
«gNeutgp»«g
Neuttx»
M&F 6m+: 1.5-8.7
M&F 2y+: 1.5-8.5
M&F 4y+: 1.7-8.5
M&F 6y+: 1.7-8.1
M&F 12y+: 1.7-7.9
M&F 18y+: 1.5-7.7
10^9/L
Lymphocytes
«gLymphgp»«
gLymphtx»
M&F 1y+: 3.0-10.0
M&F 2y+: 2.2-8.5
M&F 4y+: 1.8-7.0
M&F 6y+: 1.5-6.0
M&F 12y+: 1.2-5.0
M&F 18y+: 1.1-4.5
M&F 65y+: 1.1-4.0
10^9/L
Monocytes
«gMonogp»«g
Monotx»
M&F 1y+: 0.15-1.2
M&F 2y+: 0.10-1.10
M&F 4y+: 0.1-1.0
M&F 6y+: 0.1-0.95
M&F 15y+: 0.1-0.9
10^9/L