Explore 12 ICD-10 chapter groups, learn how research signals differ from clinical measurements, and prepare better questions for your care team. This is health literacy, not a camera examination, diagnostic map or coding service.
12
ICD groups on this map
3
Sensor pathways explained
Local
Learning progress
112
EU emergency number
Learn
No patient assessment
Classification Literacy
ICD-10 Chapter Groups for Learning
Select topics you want to learn about. Selecting also marks a topic reviewed; neither action assigns a diagnosis or disease risk. These are broad chapter groups from WHO ICD-10, not a complete coding reference or an ICD-10-to-ICD-11 conversion. Open the separate ICD-11 reference review →
If someone has sudden face droop, arm weakness, speech trouble, crushing chest pain, or cannot breathe — call 112 now. Education is not emergency care.
I00–I99
Circulatory system
A broad group covering heart and blood-vessel conditions. A pulse-related camera signal does not establish hypertension, arrhythmia or this classification.
G00–G99
Nervous system
A broad classification group, not a conclusion from facial movement, tremor or voice. Neurological concerns need clinical assessment.
F00–F99
Mental & behavioural disorders
A classification topic for learning. Voice cadence or facial expression alone does not establish a mental-health condition.
J00–J99
Respiratory system
Conditions affecting breathing and respiratory organs. A camera demonstration or sound feature is not a respiratory diagnosis.
E00–E90
Endocrine, nutritional & metabolic
A broad group for hormonal, nutritional and metabolic conditions. It cannot be assigned from skin colour, voice or an isolated lab value.
K00–K93
Digestive system
A classification topic covering digestive conditions. This page does not measure the microbiome or infer a gut-brain disorder from HRV.
R00–R99
Symptoms, signs & abnormal findings
Symptoms and findings may be recorded separately from a diagnosis. This educational page does not assess their cause or urgency.
H00–H59
Eye & adnexa
Eye-related classification groups. Pupil appearance, camera colour and face landmarks are not a substitute for an eye examination.
Z00–Z99
Factors influencing health & care contact
Context such as encounters with health services may use these groups. Selecting this topic is not personal risk profiling.
D50–D89
Blood & immune mechanism disorders
A broad classification group. Camera pallor or a pulse proxy cannot determine anaemia or immune disease; appropriate clinical testing is needed.
L00–L99
Skin & subcutaneous tissue
Skin-related classification groups. Image observations do not establish a dermatological diagnosis.
N00–N99
Genitourinary system
A broad classification group for urinary and reproductive systems. This page does not infer kidney or urological conditions from autonomic or camera signals.
Nutrition Literacy
Food, supplements & questions to ask
Learn how to discuss nutrition with a qualified professional. These cards do not prescribe a disease-specific diet or a supplement plan. NHS vitamins and minerals.
Heart & circulation
Balanced eating is general health information, not a treatment plan for a chapter code. Ask how your own history and medicines affect nutrition advice.
Questions for your care team
Does my care team recommend a specific sodium or fluid plan?
Could a supplement interact with my medicines?
Brain & mental well-being
Food, rest and activity are personal health topics. This page does not infer neurotransmitters, deficiencies or a psychiatric diagnosis.
Questions for your care team
Are my symptoms or medicines affecting appetite and sleep?
Would a qualified dietitian help with my individual needs?
Breathing & everyday nutrition
A food list does not treat a respiratory condition. Do not use supplement suggestions or chat to delay assessment of breathing difficulty.
Questions for your care team
Are my symptoms affecting meals or hydration?
Should I check an over-the-counter product with my pharmacist?
Hormones, metabolism & nutrition
Do not start iodine, berberine or other supplements because of a chapter label. Nutrition and medicine plans need individual review.
Questions for your care team
Do my laboratory results and medicines change my dietary needs?
Is a proposed supplement appropriate for my diagnosed condition?
Digestion & food tolerance
Restrictions should follow your symptoms, confirmed conditions and professional advice. This page does not diagnose food intolerance or prescribe a microbiome protocol.
Questions for your care team
Would a food-and-symptom diary help my appointment?
Should a restriction or supplement be reviewed before I begin?
Non-Invasive Pathways
Three Research Methods, Explained
This page explains concepts without activating a camera or microphone. A study showing that a signal can be measured does not validate an app for diagnosis or medical monitoring.
📷
rPPG Camera
Research can extract pulse-related information from small colour changes in video. Movement, light, the camera and the algorithm affect results. This page makes no pulse or blood-pressure measurement.
Educational pathway · not MDR claim
🎙️
Vocal Analysis
Pitch, timing and breathiness are sound features. They do not, by themselves, diagnose psychiatric, neurological or thyroid conditions. This page does not record speech.
Educational pathway
👁️
Face Mesh AI
Landmark models locate features in images. A landmark, colour change or expression is not a clinical eye or neurological examination. This page does not capture faces.
Landmark concept · no capture on this page
Children & Youth Focus
Youth Literacy Pathway
Educational framing for developing bodies — always with a parent / guardian and clinician when concerned. Not paediatric diagnosis.
Family
Learn together
CDS
Educational only
Learn together with a caregiver. This page has no validated paediatric measurement, age-adjusted diagnostic baseline or child screening function. A qualified clinician should address a child’s health concerns. For immediate danger in the EU call 112.
AI Health Assistant
Ask with Aetra
Local health-literacy guidance — ICD-10 groups, research methods and nutrition questions. Replies are fixed educational rules, not a clinical assessment.
Aetra · EDU Learning Guide
Structured Educational Summary
✦ AETRA · EDU COMPANION
ON-DEVICE · ICD LITERACY · EDUCATIONAL ONLY
⬡
Welcome — I am Aetra on EDU. Ask about ICD-10 groups, sensors (rPPG / voice / face), nutrition questions and their limits. Educational only — not a diagnosis. Emergency EU: 112. Or open the Ae circle anytime.
AETERNO EDU provides educational information only and does not replace professional medical advice.
AETERNO EDU is educational clinical decision support (CDS) literacy — not medical diagnosis and not emergency / ER care (EU 112).
ICD-10 chapter groups and sensor explainers are for learning only. Not a claimed MDR-certified device.
Always consult qualified clinicians for medical decisions. info@aeternolife.ai
Learning questions
Does EDU diagnose a condition or measure vital signs?
No. This page explains concepts and does not record camera or microphone input, measure vital signs, or assign a diagnosis.
What do selected ICD-10 groups mean?
They are learning topics you chose, not disease codes assigned to you. Saved blood results do not automatically select a chapter.
How is learning progress stored?
Selected and reviewed topics are saved in this browser’s unencrypted local storage. Typed questions are not included in that progress record. You can clear EDU progress without deleting other module records.
Is this an ICD-10 to ICD-11 conversion tool?
No. The two revisions are distinct. Follow the separate ICD-11 review link or WHO resources for coding reference; all clinical coding needs professional verification.