A nurse documents “FAST Stage 7A” on a recertification note. That single line is true. It also tells an auditor almost nothing.
Dementia is the most common hospice diagnosis in the country. It is also the most audited. And the standalone FAST score — a stage written on the page with no supporting clinical picture around it — is one of the most common reasons dementia recertifications fail to defend on review.
This is not because the nurses writing those notes are careless or unskilled. It is because no one has taught them what the FAST scale is actually doing inside an audit, and what it cannot do alone.
The FAST Scale Was Built for Alzheimer’s. That Matters.
The Functional Assessment Staging Tool was designed and validated specifically for Alzheimer’s disease. It was not designed for vascular dementia, Lewy body dementia, or frontotemporal dementia. Even within Alzheimer’s, the literature has been clear for years that FAST does not reliably predict terminality on its own.
Despite this, hospice teams routinely apply FAST to every dementia subtype in their census as if it were universal. When a nurse writes “FAST Stage 7A” on a vascular dementia patient and stops there, two compliance problems appear at once. A staging tool is being applied outside its validation, and there is no surrounding documentation to fill the gap that creates.
This is fixable. Name the dementia subtype in the note. If the patient has vascular dementia, write that. If the patient has Lewy body dementia, write that. Then layer the clinical picture around the FAST score so the score is one data point in a defensible narrative — not the whole defense.
Apply the Specificity Principle to the FAST Score Itself
The specificity principle is not just for ADL documentation. Apply it to the FAST stage you are claiming. Stage 6E means fecal incontinence is established. That is the headline. The supporting picture should be: the patient has been incontinent of stool over the past 60 days requiring full perineal care, has progressed from intermittent to constant urinary incontinence in the same window, can no longer dress herself, and now requires hand-feeding for soft foods. That is FAST 6E with a clinical face on it.
“FAST 6E” alone is FAST 6E without a face. An auditor cannot tell the difference between a patient who arrived at 6E three weeks ago and a patient who has been at 6E for fourteen months unless the note tells them. Walk yourself across the spectrum at every visit:
- A patient at 6A who can dress with verbal cueing but cannot select appropriate clothing
- A patient at 6C who needs hands-on assistance with toileting mechanics but remains continent
- A patient at 6E who is incontinent of both stool and bladder and requires full perineal care
- A patient at 7A whose intelligible word output has dropped to a handful of single words per day
- A patient at 7C who is no longer ambulatory and requires two-person transfer
Those are not the same patient. The defensibility of the certification lives in showing where on the spectrum your patient sits — and how that has changed since the last recertification.
Document the Trend Within the Score
A FAST score does not always shift cleanly between recertifications. That is a documentation problem only if you let it be one. A patient remaining at FAST 7A whose intelligible word output has dropped from short phrases to four or five single words, who is now beginning to parrot speech back rather than generate it, is trending toward 7B. That trend is documentable and meaningful even before the patient formally arrives at the next stage.
The same is true at every level. A 6E patient who was independently feeding two months ago and now requires hand-feeding is showing decline within the score. A 7C patient who could hold her head upright last month and now requires head support during meals is trending toward 7F. Document the trend. The score on its own is a snapshot. The trend is the story.
Layer the Clinical Context — the FAST Score Must Never Stand Alone
A FAST score becomes defensible when it is layered with the rest of the clinical picture. What pulls a 6E or 7A patient over the threshold of demonstrable terminality is everything else around the score:
- Weight loss percentage over the past six months — and whether it is masked by edema
- Albumin trend if available — a patient with albumin below 2.5 g/dL has nutritional decline you can document
- Hospitalizations and ER visits over the past 12 months
- Aspiration events, pneumonias, sepsis episodes, urinary tract infections
- Dysphagia and the diet modifications it has driven — pureed, mechanical soft, thickened liquids
- PPS documented in parallel with FAST, with the same trending logic applied
- Rate of FAST progression — a patient who moved from 6A to 6E in two months is a different clinical case than one who took two years
A Hypothetical: Two Patients, Both “FAST 6E”
Two patients are both documented as “FAST 6E.”
Patient A: 6E established three weeks ago. Was at 6A six weeks before that. Lost 14% of body weight in six months. Two aspiration pneumonia hospitalizations in the past year. Now requires mechanical soft diet with hand-feeding. PPS dropped from 50% to 40% over the same period.
Patient B: 6E established fourteen months ago. Weight stable. No hospitalizations. Eating a regular diet with meal setup only. Family reports no change in functional status since admission.
Both notes say “FAST 6E.” One is a defensible hospice patient. The other is a recertification an auditor will struggle to support — even though the score on the page is identical. The score did not separate them. The clinical context did. That is the entire point.
The Practical Takeaway: A Five-Layer FAST Documentation Pattern
For every FAST documentation moment, work the same five layers in the same order. This is not a checklist to mechanically copy. It is a clinical thinking pattern that produces a defensible note when used consistently.
- The FAST score, named. Stage 6E, 7A, 7C — whatever applies.
- The specific functional observations that justify it. Use this patient’s words, behaviors, and limitations — not generic stage language.
- The trend within the score since last recertification. What has changed in the last 60 to 90 days, even if the score itself has not yet moved.
- The relevant comorbidities, weight, hospitalizations, dysphagia, infections, and PPS — all in the same recertification note, not on a separate form.
- The rate at which all of this is moving. Slow drift over a year reads differently than rapid decline over two months.
If the score is being applied to a non-Alzheimer’s dementia, name the subtype explicitly and acknowledge that FAST is being interpreted alongside — not in place of — the patient’s broader clinical findings. That is not a hedge. That is clinically honest documentation, and an auditor reading a note that demonstrates that level of clinical awareness is reading a note that is much harder to deny.
How Hospice Intelligence Supports This Work
This is exactly the kind of layered documentation Hospice Intelligence was built to support. When a nurse evaluates a dementia recertification note, the system reads the note against the dementia LCD criteria — and when a FAST score appears without the supporting layers, the missing pieces are flagged in a separate field for the nurse to add. Weight trajectory. Recent hospitalizations. PPS. Dysphagia and diet modifications. Continence status. Rate of FAST progression. The nurse decides which apply to her patient and types in what is relevant. The system does not invent findings.
Over time, the same nurse who used to write a standalone FAST score begins layering the clinical picture during her patient visit — because the system has trained her to look for it. That is the compounding educational effect of working with a tool that is anchored to the LCD criteria for the diagnosis being documented.
Closing
A defensible dementia recertification note is not the one with the longest narrative or the most jargon. It is the one where the FAST score has a clinical face — where an auditor reading it can see this patient, in this stage, on this trajectory, with these comorbidities, moving at this rate. Five layers. Every visit. Every recertification. That is how the score does the work it was meant to do.
If this was helpful, follow along — I post Medicare compliance education every Wednesday. Have a question about documenting dementia? Drop it in the comments — I read every one.