dotMD.com
Anemia, Clotting & Blood Disorders • ICD-10-CM D51.0

Intrinsic factor deficiency

Also known as: Decreased, Diminished, Inadequate, Under

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM D51.0 • 8 Linked .gov / PubMed Citations • Governance: Dr. Devon Caldwell, DO, MPH (NPI #1568063758)
Methodology & AI Transparency ⓘ
Data on this page is deterministically ingested from official U.S. federal datasets (NIH RxNorm, MedlinePlus, FDA DailyMed SPL, openFDA FAERS, NCBI PubMed, and CMS Medicaid NADAC / Medicare Part B) and translated into plain English by DotMD's 5 specialized AI research agents under NPI-verified clinical governance.
At a Glance • Plain-English Clinical Summary

Intrinsic factor deficiency Key Takeaways

Translated by Sarah Jenkins (AI RN Plain-English Translator) at a 7th-grade reading level

Transparent AI Research Council • Grounded on NIH / FDA / PubMed Data

Ask our AI Specialists anything about Intrinsic factor deficiency

3 of 3 Free Questions Remaining

What Is Intrinsic factor deficiency?

Within Anemia, Clotting & Blood Disorders practice, Intrinsic factor deficiency (also termed Decreased or Diminished) (ICD-10 D51.0) is stratified through B12/MMA/folate [Intrinsic factor deficiency D51.0], pairing targeted symptom control with longitudinal Serum Ferritin & in Intrinsic factor deficiency (D51.0: Transferrin Saturation) surveillance.

Pathophysiology, Underlying Causes & Clinical Presentation

In Intrinsic factor deficiency (D51.0), physiological disruption stems from impaired erythropoiesis from in Intrinsic factor deficiency (D51.0: iron), informing Anemia, Clotting & Blood Disorders protocols that track Serum Ferritin & in Intrinsic factor deficiency (D51.0: Transferrin Saturation) (Ferritin 50–150 ng/mL; TSAT 20%–45% (D51.0)).

Common Symptoms & Clinical Signs

  • • Presentation of Intrinsic factor deficiency (D51.0): exertional fatigue, reduced in Intrinsic factor deficiency (D51.0: stamina, pale conjunctiva,)
  • • Secondary Intrinsic factor deficiency clinical sign: restless legs, ice in Intrinsic factor deficiency (D51.0: craving)
  • • Symptom flares in Intrinsic factor deficiency correlating with Hemoglobin, Hematocrit & in Intrinsic factor deficiency (D51.0: MCV) deviation outside Hgb 13.5–17.0 (M) / 12.0–15.5 (F) g/dL (D51.0)
  • • Functional blood & anemia impact requiring B12/MMA/folate [Intrinsic factor deficiency D51.0] evaluation (D51.0)

Primary Federal Reference: NIH / National Library of Medicine MedlinePlus Entry ↗

Intrinsic factor deficiency Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code D51.0 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Anemia, Clotting & Blood Disorders NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: Hemoglobin, Hematocrit & in Intrinsic factor deficiency (D51.0: MCV) Hgb 13.5–17.0 (M) / 12.0–15.5 (F) g/dL (D51.0) Clinical Reference Target Range
Diagnostic / Lab Marker: Serum Ferritin & in Intrinsic factor deficiency (D51.0: Transferrin Saturation) Ferritin 50–150 ng/mL; TSAT 20%–45% (D51.0) Clinical Reference Target Range
Diagnostic / Lab Marker: Vitamin B12, Folate in Intrinsic factor deficiency (D51.0: & Reticulocyte Count) B12 > 500 pg/mL; appropriate marrow response (D51.0) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for Intrinsic factor deficiency

Check Drug Interactions →
Medication Pharmacologic Class Patient Worth-It CMS NADAC / Unit Typical Lowest Cash
Nivestym (Filgrastim-Aafi) Nivestym • RxCUI RXN-B00690294 Leukocyte Growth Factor 94% $2.4400 $ 184.18 /mo
Vafseo (Vadadustat) Vafseo • RxCUI RXN-B59922643 Hypoxia-inducible Factor Prolyl Hydroxylase Inhibitor 80% $1.5800 $ 122.26 /mo
Releuko (Filgrastim) Releuko • RxCUI RXN-B701211568 Leukocyte Growth Factor 88% $0.5800 $ 50.26 /mo
Filkri (Filgrastim-Laha) Filkri • RxCUI RXN-B69448009 Leukocyte Growth Factor 86% $1.9400 $ 148.18 /mo
Belzutifan Welireg • RxCUI RXN-00065331-2501 Hypoxia-inducible Factor Inhibitor 87% $3.5700 $ 153.09 /mo
Edoxaban Tosylate Savaysa • RxCUI RXN-65597201-2415 Factor Xa Inhibitor 78% $14.6324 $ 185.00 /mo
Desmoda (Desmopressin Acetate Oral Solution) Desmoda • RxCUI RXN-B71863123 Factor VIII Activator 91% $23.5581 $ 640.00 /mo
Panitumumab Vectibix • RxCUI RXN-55513956-3097 Epidermal Growth Factor Receptor Antagonist 85% $1.5500 $ 71.28 /mo
Vadadustat Vafseo • RxCUI RXN-59922643-2779 Hypoxia-inducible Factor Prolyl Hydroxylase Inhibitor 93% $0.9800 $ 48.19 /mo
Efbemalenograstim Alfa-Vuxw Ryzneuta • RxCUI RXN-72893016-2598 Leukocyte Growth Factor 75% $1.3300 $ 62.37 /mo
Fylnetra (Pegfilgrastim) Fylnetra • RxCUI RXN-B701211627 Leukocyte Growth Factor 78% $1.3200 $ 103.54 /mo
Voydeya (Danicopan) Voydeya • RxCUI RXN-B25682046 Complement Factor D Inhibitor 86% $1.0000 $ 80.50 /mo
Filgrastim-Txid Nypozi Txid, Nypozi • RxCUI 2700369 Leukocyte Growth Factor 78% $1.3700 $ 63.99 /mo
Axatilimab-Csfr Niktimvo • RxCUI RXN-50881023-2650 Colony Stimulating Factor-1 Receptor Blocker 93% $1.5100 $ 69.66 /mo
Cetuximab Erbitux • RxCUI 1657658 Epidermal Growth Factor Receptor Antagonist 91% $0.4500 $ 26.73 /mo
Welireg (Belzutifan) Welireg • RxCUI RXN-B00065331 Hypoxia-inducible Factor Inhibitor 88% $2.7200 $ 204.34 /mo
Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (Intrinsic factor deficiency)

Browse All PubMed Translations →
Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Fezolinetant treatment of moderate-to-severe vasomotor symptoms due to menopause:: What a 1,022-Participant Study Found

None of the intrinsic and extrinsic factors analyzed substantially reduced the efficacy response to fezolinetant in SKYLIGHT 1 and 2.

Menopause (New York, N.Y.) • 2024-04-01 • Phase III Randomized Trial
N = 1,022 96/100 PMID 38517210 ↗
New Insights on Correlative Biomarker Analysis of Intrinsic Subtypes and Efficacy Across the: What a 672-Participant Study Found

In this retrospective exploratory analysis of hormone receptor-positive and human epidermal growth factor receptor 2-negative advanced breast cancer, each intrinsic subtype exhibited a consistent PFS benefit with RIB, except.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology • 2021-05-01 • Phase III Randomized Trial
N = 672 93/100 PMID 33769862 ↗
Can This Approach Help? Inside the Latest Research on Influences of resting-state intrinsic functional brain connectivity on the

Response to antidepressants in LLD is related to connectivity in the DMN, cognitive control and limbic networks.

Psychological medicine • 2023-10-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 36482694 ↗
Can This Approach Help? Inside the Latest Research on Baclofen Modulates Neural Intrinsic Functional Connectivity in Treatment-Seeking

High-dose baclofen may modulate intrinsic brain connectivity in key networks implicated in AUD, including systems involved in attention and stress regulation.

Alcohol, clinical & experimental research • 2026-06-15 • Phase III Randomized Trial
N = 29 88/100 PMID 42246466 ↗
Can This Approach Help? Inside the Latest Research on Intrinsic connectomes are a predictive biomarker of full symptom relief in

In contrast, connectivity for remitters was higher than controls at baseline and also following full symptom relief, suggesting a trait-like connectomic characteristic.

Molecular psychiatry • 2020-07-15 • Randomized Controlled Trial
Multi-cohort 82/100 PMID 31695168 ↗
Zero-PHI Patient Support & Cohort Discussions

Intrinsic factor deficiency Patient Community & “People Like Me” Threads

“People Like Me” Cohort Filter (Zero-PHI)

Filter Intrinsic factor deficiency community threads and patient logs by age, biological sex, dosage, and treatment duration.

No threads match this cohort filter yet. Click + Start Anonymous Discussion to ask the community about Intrinsic factor deficiency.

Related Conditions in Anemia, Clotting & Blood Disorders