Memory or concentration problems
Also known as: Symptoms, signs or clinical findings involving cognition
General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).
In short
Sudden confusion, trouble speaking, or difficulty understanding speech are signs of a stroke. If these symptoms occur, call 112 in Europe or 9-1-1 in the United States right away.
AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.
Codes
- ICD-10
- R41
- ICD-11
- MB21 Symptoms, signs or clinical findings involving cognition
When to get help
In an emergency, call 112 (or your local emergency number).
What are the signs of stroke in men and women?
- Sudden confusion, trouble speaking, or difficulty understanding speech.
Call 9-1-1 right away if you or someone else has any of these symptoms.
Quoted word for word from the cited source and checked against it; not reviewed by a clinician. Not a diagnosis. 9-1-1 is the US emergency number: in Europe call 112.
Centers for Disease Control and Prevention (CDC) — Signs and Symptoms of Stroke
Next to it in ICD-10
- R40Drowsiness or loss of consciousness
- R40.0Drowsiness (somnolence)
- R40.1Stupor
- R41.1Loss of memory for new events (anterograde amnesia)
- R41.2Loss of memory for past events (retrograde amnesia)
- R42Dizziness
Neighbouring codes in the classification, not a medical link.
What people report
Not enough data yet. Anonymous counts appear here only for groups of at least 20 people who agreed to share them.
External resources
Questions
What is the ICD-10 code for Memory or concentration problems?
R41 (WHO, International Classification of Diseases, 10th Revision).
What is the ICD-11 code for Memory or concentration problems?
MB21: Symptoms, signs or clinical findings involving cognition (WHO, ICD-11 for Mortality and Morbidity Statistics).
Sources and attribution
- ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).
- ICD-11 for Mortality and Morbidity Statistics, © World Health Organization, licensed under CC BY-ND 3.0 IGO.
- Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
- Source: CDC. Available free at https://www.cdc.gov/stroke/signs-symptoms/index.html. Use does not imply endorsement by CDC or HHS.
Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →
About this page. This page brings together public information from official sources, each cited where it is used. It is not medical advice, it is not a diagnosis, and it does not tell you which treatment to take.
Treatments. Indications are quoted unchanged from official product information (European Medicines Agency, U.S. Food and Drug Administration). They describe what a medicine is approved for, not whether it is right for you. Approved uses can differ between countries. Always read the package leaflet and follow your doctor's or pharmacist's advice.
What people report. Figures marked "reported by Anpheros users" are anonymous counts from at least 20 people who agreed to share them. They show what people report, not what works, and they are not clinical evidence.
Links between terms. "May be associated with" means the link appears in a cited source. It does not mean you have that condition.
In an emergency, call 112 (or your local emergency number). Do not delay seeking medical help because of something you read here.