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High Blood Pressure & Vascular Health • ICD-10-CM I80.9

Phlebitis and thrombophlebitis of unspecified site

Audited by the DotMD AI Specialist Council • FDA DailyMed SPL: 2026-11-02 • ICD-10-CM I80.9 • 7 Linked .gov / PubMed Citations • Governance: Dr. Marcus Thorne, MD, FACC (NPI #1184629314)
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

Phlebitis and thrombophlebitis of unspecified site Key Takeaways

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

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What Is Phlebitis and thrombophlebitis of unspecified site?

Designated in federal medical registries as I80.9, Phlebitis and thrombophlebitis of unspecified site falls under Blood Pressure management, where 24-hour ambulatory blood in Phlebitis and thrombophlebitis of unspecified site (I80.9: pressure monitoring) establishes baseline severity and rules out diagnostic mimics.

Pathophysiology, Underlying Causes & Clinical Presentation

Biological expression of Phlebitis and thrombophlebitis of unspecified site (I80.9, Blood Pressure) reflects arterial smooth-muscle hypertrophy [Phlebitis and thrombophlebitis of unspecified site I80.9]. longitudinal control is benchmarked via Urine Albumin-to-Creatinine Ratio [Phlebitis and thrombophlebitis of unspecified site I80.9].

Common Symptoms & Clinical Signs

  • • Presentation of Phlebitis and thrombophlebitis of unspecified site (I80.9): localized extremity swelling, in Phlebitis and thrombophlebitis of unspecified site (I80.9: warmth, or venous)
  • • Secondary Phlebitis and thrombophlebitis of unspecified site clinical sign: cold distal extremities in Phlebitis and thrombophlebitis of unspecified site (I80.9: or diminished peripheral)
  • • Symptom flares in Phlebitis and thrombophlebitis of unspecified site correlating with Urine Albumin-to-Creatinine Ratio [Phlebitis and thrombophlebitis of unspecified site I80.9] deviation outside < 15 mg/g (I80.9)
  • • Functional blood pressure impact requiring 24-hour ambulatory blood in Phlebitis and thrombophlebitis of unspecified site (I80.9: pressure monitoring) evaluation (I80.9)

Phlebitis and thrombophlebitis of unspecified site Diagnostic Classification & Lab Markers

Metric Verified Benchmark Source
ICD-10-CM Diagnostic Code I80.9 WHO / CMS ICD-10-CM Clinical Classification
Clinical Specialty Hub High Blood Pressure & Vascular Health NLM Clinical Tables
Diagnostic / Lab Marker: Urine Albumin-to-Creatinine Ratio [Phlebitis and thrombophlebitis of unspecified site I80.9] < 15 mg/g (I80.9) Clinical Reference Target Range
Diagnostic / Lab Marker: Home Seated Blood in Phlebitis and thrombophlebitis of unspecified site (I80.9: Pressure) < 120/75 mmHg (I80.9) Clinical Reference Target Range
Diagnostic / Lab Marker: Ankle-Brachial Index (ABI) [Phlebitis and thrombophlebitis of unspecified site I80.9] 1.00 – 1.30 (I80.9) Clinical Reference Target Range
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Peer-Reviewed Human Clinical Trials & Meta-Analyses (Phlebitis and thrombophlebitis of unspecified site)

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Study & Plain-English Finding Sample (N) Rigor Primary Source
New Insights on Efficacy of single-pill combination in uncontrolled essential high blood: What a 273-Participant Study Found

Based on Ranking Plot of the Network, we can conclude that single-pill combination blood-pressure-lowering drugs are superior to single-drug treatment, and ARB/CCB combination has better advantages than other SPC in terms of...

Clinical cardiology • 2023-08-15 • Meta-Analysis
N = 273 91/100 PMID 37432701 ↗
Can This Approach Help? Inside the Latest Research on Post hoc analysis of SURMOUNT-J: tirzepatide versus placebo and predicted 10-year

In this post hoc analysis, tirzepatide treatment was associated with a significant reduction in predicted 10-year CVD risk versus placebo, which was associated with an increase in predicted risk, supporting the potential role...

Current medical research and opinion • 2026-04-15 • Phase III Randomized Trial
N = 64 88/100 PMID 42287159 ↗
Can This Approach Help? Inside the Latest Research on Effect of suvorexant on nighttime blood pressure in hypertensive patients with

Clinic, 24-hour, daytime and morning SBP (ambulatory blood pressure monitoring) also decreased slightly and similarly from baseline in both groups.

Journal of clinical hypertension (Greenwich, Conn.) • 2019-07-15 • Randomized Controlled Trial
N = 82 88/100 PMID 30874378 ↗
Can This Approach Help? Inside the Latest Research on Add-on effect of hydrochlorothiazide 12.5 mg in Japanese subjects with essential

L50/H12.5/A5 was well tolerated.

Hypertension research : official journal of the Japanese Society of Hypertension • 2015-05-15 • Randomized Controlled Trial
Multi-cohort 88/100 PMID 25716649 ↗
New Insights on Association of Low-Dose Triple Combination Therapy With Therapeutic Inertia and: What a 700-Participant Study Found

Of the 700 included patients, 403 (57.6%) were female, and the mean (SD) age was 56 (11) years.

JAMA cardiology • 2020-11-01 • Randomized Controlled Trial
N = 700 87/100 PMID 32717045 ↗
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