← Back to the worklist · Whole encounter ENC-00178
Quinn Kestrel: Acute blood loss anaemia
ENC-00178 · 50F · Hospital Medicine · admitted Tue Nov 10, 2026 11:09 AM · in hospital · attending Dr. Jalen Carrow
Clinical judgement required: Haemoglobin fell 1.4 g/dL without transfusion (between 1 and 2 g/dL).
Documented vs supported
- Documented
- “acute blood loss anemia” · D62 Acute posthemorrhagic anemia
- Criteria support
- no conclusion: clinical judgement required
- Outcome
- Haemoglobin fell 1.4 g/dL without transfusion (between 1 and 2 g/dL)
- Rule
- Acute blood loss anaemia v2026.11-1
- Published source
- WHO guideline on haemoglobin cutoffs to define anaemia in individuals and populations (2024), Adult cut-offs: men <13 g/dL, non-pregnant women <12 g/dL (unchanged from 2011) · source (checked 2026-11-14)
- Contested
- There is no published clinical definition of "acute blood loss anaemia". This rule is a LOCAL CONVENTION: WHO anaemia threshold at the nadir, a documented bleeding source, and an acute fall of >=2 g/dL OR >=2 units transfused (borrowed from the ISTH major-bleeding definition, which secondary restatements word inconsistently as AND/OR).
Clinical judgement required. The rule does not conclude here. A CDI specialist may send an open query or dismiss the finding; nothing is proposed as fact.
Effect if the clinician agrees (illustrative)
- Change
- no projected change (clinician judgement)
- Secondary-diagnosis level
- CC → —
- MS-DRG (illustrative)
- 193 Simple pneumonia and pleurisy with MCC → 193 Simple pneumonia and pleurisy with MCC
- Relative weight
- 1.3144 → 1.3144 (+0.0000)
- Codes before
- J18.9, E46, N28.9, I50.33, D62, L89.159
- Codes after
- J18.9, E46, N28.9, I50.33, D62, L89.159
All open gaps on this encounter together: MS-DRG 193 → 193 (RW +0.0000). The grouping does not change; the record becomes accurate.
CC/MCC status, CC exclusions (subset) and relative weights from the public CMS FY2026 IPPS final rule tables (5, 6I, 6J, 6K). This is not a grouper and not a payment estimate. Queries never mention any of this.
Severity documentation index change SIMULATED
0.0 points
SIMULATED: Illustrative severity weights (MCC = 1.0, CC = 0.5, non-CC = 0) summed over secondary diagnoses; not a validated risk-adjustment model and not a measured effect.
Evidence
Structured values are read by code from the cited rows. Note facts are shown only when the model's quote was found verbatim in the note.
| Input | Value | Source |
|---|---|---|
| Sex | F |
sex F
|
| First haemoglobin this stay (g/dL) | 11.0 |
hemoglobin 11 g/dL (first)
|
| Lowest haemoglobin this stay (g/dL) | 9.6 |
hemoglobin 9.6 g/dL (lowest)
|
| Highest value before the nadir minus the nadir (g/dL) highest value before the nadir minus the nadir |
1.4 |
hemoglobin 11
hemoglobin 9.6
|
| Red cell units transfused | 0 | derived (no source row) |
| A bleeding source quoted from a note, or a bleeding principal diagnosis | True |
“bleeding”
Show the quote in the note… ay shows right lower lobe pneumonia; blood cultures drawn and ceftriaxone started.
Past medical history: heart failure with preserved ejection fraction.
Denies bleeding, chest pain or fever.
Exam: Lungs: scattered crackles at the bases, no distress.
Assessment and plan:
1. Community-acquired pneumonia: antibiotics. |
Rule trace (inputs, thresholds, outcome)
| Step | Expression | Inputs and thresholds read | Result |
|---|---|---|---|
| derived: anaemic | case(sex == 'M', hgb_nadir < t.hb_m, sex == 'F', hgb_nadir < t.hb_f, null) |
hgb_nadir=9.6, sex=F, t.hb_f=12, t.hb_m=13 | true |
| derived: acute_fall | hgb_drop >= t.drop_major or prbc_units >= t.prbc_major |
hgb_drop=1.4, prbc_units=0, t.drop_major=2.0, t.prbc_major=2 | false |
| outcome: met | bleeding_documented and anaemic and acute_fall |
acute_fall=False, anaemic=True, bleeding_documented=True | false |
| outcome: anaemia_only | anaemic and hgb_drop < t.drop_min and prbc_units == 0 |
anaemic=True, hgb_drop=1.4, prbc_units=0, t.drop_min=1.0 | false |
| outcome: not_anaemic | present(hgb_nadir) and not anaemic |
anaemic=True, hgb_nadir=9.6 | false |
| outcome: no_source | anaemic and acute_fall |
acute_fall=False, anaemic=True | false |
| outcome: borderline | anaemic |
anaemic=True | true |
Documentation query
Title and question drafted by model clockworks-mock (audit entry #2306); clinical indicators and answer options assembled by code from the rule and the record.
Sign in to act. Sign in as a demo user (a CDI specialist sends queries).
DOCUMENTATION QUERY (draft) Title: Clarification request: hematology documentation Encounter: ENC-00178 Patient: Quinn Kestrel To: Dr. Jalen Carrow Clinical indicators from the health record: - Documented in the record: "acute blood loss anemia" [Progress note DOC-000598] - sex F [encounter ENC-00178] - hemoglobin 11 g/dL (first) (2026-11-10 12:09) [lab LAB-006108] - hemoglobin 9.6 g/dL (lowest) (2026-11-12 05:00) [lab LAB-006110] - "bleeding" (2026-11-10 14:09) [History and physical DOC-000597, p. 1, line 7] Question: Could you review the hemoglobin values and treatment above and clarify any related diagnosis, if clinically appropriate? Response options (select one or write your own): ( ) Other (please specify): ____________ ( ) Unable to determine Please respond based on your independent clinical judgement. Any response, including "unable to determine", is acceptable. This query and your response are kept as part of the health record.
Other findings on this encounter
- Acute kidney injury · Specificity gap Documented “renal insufficiency” (N28.9); criteria support the more specific Acute kidney injury (KDIGO stage 3) (N17.9).
- Heart failure · Clinical validation gap Documented “acute on chronic diastolic heart failure” (I50.33) is more specific than the criteria support (Chronic diastolic (HFpEF) heart failure, I50.32).
- Malnutrition · Clinical judgement required Clinical judgement required: Only one consensus characteristic documented; two are required.
- Pressure injury · Specificity gap Documented “sacral pressure ulcer” (L89.159); criteria support the more specific Pressure injury of sacral region, stage 3 (L89.153).
History
| Seq | When (UTC) | Actor | Action | Entities | Decision / reason | Model / hashes |
|---|---|---|---|---|---|---|
| 2306 | 2026-11-14T20:57:26 | system:llm system |
llm.call |
ENC-00178, ENC-00178.blood_loss_anemia | — | clockworks-mock mock-1/exactdx.draft_query@1 prompt 06adcf12a30a output 69ee00077904 entry b1510f2409ea |
| 1480 | 2026-11-14T19:24:32 | system:llm system |
llm.call |
ENC-00178, ENC-00178.blood_loss_anemia | — | clockworks-mock mock-1/exactdx.draft_query@1 prompt 06adcf12a30a output 69ee00077904 entry bf64ff2fc4fd |
| 738 | 2026-11-14T18:29:07 | system:llm system |
llm.call |
ENC-00178, ENC-00178.blood_loss_anemia | — | clockworks-mock mock-1/exactdx.draft_query@1 prompt 06adcf12a30a output 69ee00077904 entry ec9142796bfc |