Project Overview
An NHS Cancer Screening Programme (CSP) managing bowel cancer screening for 3.8M eligible people (aged 60–74 i...
Technology Stack
Compliance & Standards
The Challenge
An NHS Cancer Screening Programme (CSP) managing bowel cancer screening for 3.8M eligible people (aged 60–74 in their region) needed to modernise their legacy call-recall system — replacing the outdated NHS Bowel Cancer Screening System (NBCSS) interface. NHS Bowel Cancer Screening Programme (BCSP) standards, NHS BCSP FHIR R4, NHS DTAC all 5 domains, DCB0129 (missed cancer screening is the highest-stakes clinical safety risk), UK GDPR Article 9, NHSE data standards (gFOBt — Faecal Occult Blood Test kit and FIT — Faecal Immunochemical Test), and WCAG 2.1 AA were mandatory. Budget: £85,000.
Our Approach
NHS Bowel Cancer Screening
FIT (Faecal Immunochemical Test) kit posted to eligible people.
FIT kit workflow
- 1invitation letter posted (GOV.UK Notify — or digital if NHS App registered),
- 2FIT kit posted by NHS Logistics,
- 3kit returned and analysed by BCSP hub laboratory,
- 4result received from laboratory (HL7 v2 ORU message from hub lab LIMS — Laboratory Information Management System),
- 5result interpreted (
FIT threshold
- >
- = 10 microg Hb/g — positive result, refer for colonoscopy), (6) result letter posted (GOV.UK Notify).
- Non-responders: people who do not return kit after 16 weeks receive a second invitation.
Colonoscopy Pathway and BCSP Hub Integration
- Positive FIT result → colonoscopy referral.
- BCSP Hub (specialist bowel cancer screening units): NHS eRS referral (FHIR R4 ServiceRequest).
Colonoscopy appointment
patient contacts BCSP Hub directly (phone or NHS App booking).
Colonoscopy results
- adenoma grade (low, intermediate, high risk), cancer suspected, normal.
- Follow-up: high-risk adenoma → surveillance colonoscopy at defined intervals.
- Cancer suspected → 2-week wait urgent referral (NICE NG12).
BCSP Hub FHIR R4
colonoscopy procedure and result sent back to call-recall platform (FHIR R4 Procedure resource).
Clinical safety hazard
FIT positive result not acted upon (patient not referred for colonoscopy) — delay in cancer diagnosis.
Mitigation
- 1positive FIT results trigger immediate BCSP Hub referral (automated — no manual step between positive FIT and eRS referral creation),
- 2eRS referral acknowledgement required within 5 working days (alert to coordinator if not acknowledged),
- 3colonoscopy scheduling audit (all positive FIT → colonoscopy within
BCSP target
6 weeks).
Safety metric
100% of positive FIT results result in a colonoscopy referral — zero tolerance.
Second hazard
wrong person receives wrong result.
Mitigation
NHS number verified against PDS on every result dispatch.
NHS App bowel screening integration
people registered on NHS App receive digital FIT result notification (push notification).
NHS App
view your bowel screening result, book colonoscopy appointment (if positive), and bowel health information.
NHS App adoption for bowel screening
42% of 60–74 age group have NHS App (growing) — digital notifications supplement (not replace) postal letters for this demographic.
Accessibility
bowel screening affects older population — platform designed with accessibility as primary consideration (large text, simple language, phone support prominently displayed alongside digital).
The Results
DTAC approved all 5 domains.
Platform live at 14 weeks, £80,000 — under budget. 3.8M eligible people in programme.
FIT kit return rate: 64.2% (NHSE target: 60% — above target).
Positive FIT to colonoscopy referral: 100% (zero missed referrals in first 12 months).
Colonoscopy within 6 weeks of positive FIT: 84.2% (BCSP target: 90% — improving trajectory).
Cancer detection rate: programme sensitivity maintained (benchmark comparison to NBCSS).
NHS App digital notification adoption: 38% of invitations digital.
WCAG 2.1 AA: zero non-compliances (older population accessibility prioritised).
“100% positive FIT to colonoscopy referral — zero missed in 12 months. FIT return rate 64.2% above the 60% target. Cancer detection sensitivity maintained. 3.8M people in programme. DTAC first submission. NHS App adoption 38% for 60–74 age group — better than we expected. The DCB0129 zero-missed-referral requirement was the hardest technical constraint we have ever worked with — ClickMasters met it." — Programme Director, NHS Cancer Screening Programme (name withheld)”
Project Details
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