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Bacterial, Viral & Fungal Infections • ICD-10-CM A00.0

C. diff Infections

Also known as: Clostridioides difficile infections, Clostridium difficile Infections, Clostridium enterocolitis, Pseudomembranous colitis

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM A00.0 • 8 Linked .gov / PubMed Citations • Governance: Dr. Priya Nair, MD, FAAD (NPI #1295730425)
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

C. diff Infections 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

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What Is C. diff Infections?

What is C. diff ? C. diff is a bacterium that can cause diarrhea and more serious intestinal conditions such as colitis. You may see it called other names, such as Clostridioides difficile (the new name), Clostridium difficile (an older name), and C. diff icile. It causes close to half a million illnesses each year. What causes C. diff infections? C. diff bacteria are commonly found in the environment, but people usually only get C. diff infections when they are taking antibiotics . That's because antibiotics not only wipe out bad germs, but they also kill the good germs that protect your body against infections.

Pathophysiology, Underlying Causes & Clinical Presentation

In C. diff Infections (A00.0), physiological disruption stems from or latent viral in C. diff Infections (A00.0: reactivation within sensory), Cross-referenced with NIH MeSH (Clostridioides difficile, Enterocolitis, Pseudomembranous), informing Bacterial, Viral & Fungal Infections protocols that track Targeted PCR / in C. diff Infections (A00.0: Culture & Sensitivity) (Pathogen clearance / negative test (A00.0)).

Common Symptoms & Clinical Signs

  • • Are taking antibiotics
  • • Recently stayed in a hospital or nursing home
  • • Presentation of C. diff Infections (A00.0): regional lymph node in C. diff Infections (A00.0: tenderness or acute)
  • • Secondary C. diff Infections clinical sign: acute fever, chills, in C. diff Infections (A00.0: malaise, and myalgias)

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

C. diff Infections Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code A00.0 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub Bacterial, Viral & Fungal Infections NIH MedlinePlus Health Topics
Diagnostic / Lab Marker: C-Reactive Protein / in C. diff Infections (A00.0: Procalcitonin) Resolution to baseline (A00.0) Clinical Reference Target Range
Diagnostic / Lab Marker: Targeted PCR / in C. diff Infections (A00.0: Culture & Sensitivity) Pathogen clearance / negative test (A00.0) Clinical Reference Target Range
Diagnostic / Lab Marker: Complete Blood Count in C. diff Infections (A00.0: (WBC & Differential)) WBC 4.0 – 10.0 x10^3/uL (A00.0) Clinical Reference Target Range
Marcus Sterling (AI Healthcare Price Auditor) & Dr. Vance

FDA-Monographed Medications & Public Cash Price Reference for C. diff Infections

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Treatment selection for C. diff Infections depends on clinical severity, diagnostic lab results, and medical history. Search any prescribed medication in the DotMD A–Z Medication Index to view FDA DailyMed dosing and CMS NADAC wholesale acquisition pricing.

Dr. Lin (AI PubMed Clinical Trial Lead)

Peer-Reviewed Human Clinical Trials & Meta-Analyses (C. diff Infections)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Benefits and safety of 11 sodium-glucose cotransporter-2 inhibitors at different: What a 9,144-Participant Study Found

As add-on therapy, SGLT2is demonstrated favourable antidiabetic efficacy and acceptable safety.

BMJ open • 2025-02-26 • Meta-Analysis
N = 9,144 99/100 PMID 40010842 ↗
New Insights on Different Anti-Hyperglycaemic Treatments on Bone Turnover Markers and Bone: What a 4,914-Participant Study Found

High heterogeneity and diverse follow-up durations among studies were evident, which obscures the validity of the results.

International journal of molecular sciences • 2024-07-22 • Meta-Analysis
N = 4,914 99/100 PMID 39063229 ↗
New Insights on Efficacy and quality-of-life improvements with fremanezumab treatment in patients: What a 838-Participant Study Found

Fremanezumab reduced days with neurological symptoms, effectively prevented migraine, and improved quality of life in patients with migraine with associated neurological dysfunction, including.

European journal of neurology • 2022-07-15 • Phase III Randomized Trial
N = 838 93/100 PMID 35302681 ↗
New Insights on Deciphering differential biomarkers for anti-interleukin-6 receptor and: What a 804-Participant Study Found

The unbiased analysis of serum proteins identified biomarkers most predictive of anti-IL-6R and anti-TNF-α at different timepoints that could explain the difference in the response rate in patients with RA.

RMD open • 2025-08-04 • Phase III Randomized Trial
N = 804 93/100 PMID 40759562 ↗
New Insights on Age and sex on the efficacy of fremanezumab in patients with difficult-to-treat: What a 373-Participant Study Found

These results demonstrate the efficacy of fremanezumab in patients with difficult-to-treat migraine for reducing migraine and headache days, acute medication use, and disability, regardless of age or sex.

The journal of headache and pain • 2021-12-18 • Phase III Randomized Trial
N = 373 93/100 PMID 34922436 ↗
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C. diff Infections Patient Community & “People Like Me” Threads

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