intro 22
1️⃣ Directions and Positions (Prefixes)
These prefixes are added to medical words to show direction, position, or location.
| Prefix | Meaning | Easy Example | Exam Tip |
|---|---|---|---|
| ab- | away from | abduction (move away) | Think “AB = away” |
| ad- | toward | adduction (move toward) | Opposite of ab |
| ecto-, exo- | outside | ectopic, exocrine | Outside |
| endo- | within | endoscope | Inside |
| epi- | upon/on | epigastric | On top |
| infra- | below | infrastructure | Below |
| ipsi- | same | ipsilateral | Same side |
| meso- | middle | mesopexy | Middle |
| meta- | after/beyond/change | metastasis | Change/spread |
| peri- | around | pericardium | Around |
| retro- | behind/back | retroversion | Backward |
| trans- | across/through | transvaginal | Through |
📌 CPC trick:
Prefixes help you understand procedure names even if you don’t know the full word.
2️⃣ Anatomical Position Words (VERY IMPORTANT 🔥)
These words describe where something is in the body.
| Word | Meaning | Remember Like This |
|---|---|---|
| Anterior / Ventral | Front | Belly side |
| Posterior / Dorsal | Back | Back side |
| Superior | Above | Head side |
| Inferior | Below | Foot side |
| Medial | Middle | Toward center |
| Lateral | Side | Away from center |
| Proximal | Near to origin | Near shoulder/hip |
| Distal | Far from origin | Fingers/toes |
| Supine | Face up | Sleeping looking up 😴 |
| Prone | Face down | Sleeping face down |
📌 CPC MCQ favorite:
👉 Proximal vs Distal
👉 Medial vs Lateral
👉 Supine vs Prone
3️⃣ Body Planes (High-yield for exams)
| Plane | Meaning | Divides Body Into |
|---|---|---|
| Sagittal | Vertical | Left & Right |
| Transverse | Horizontal | Top & Bottom |
| Coronal (Frontal) | Vertical | Front & Back |
🧠 Memory trick
- Sagittal = Sides
- Transverse = Top/Bottom
- Coronal = Chest/Back
4️⃣ Anatomy References (Why mentioned?)
This tells you where CPT book got anatomy info from, like:
- Netter’s Atlas
- Medical dictionaries
📌 Exam point:
👉 CPT codes are based on standard anatomy references, so terms are not random.
5️⃣ Lists of Illustrations (Why important?)
This section shows where diagrams are located in the CPT book:
- Skin
- Skeleton
- Muscles
- Nervous system
- Digestive system
- Urinary, Male/Female genital
- Brain, eye, ear, cranial nerves
📌 CPC exam use:
👉 Use illustrations to locate anatomy fast while coding.
🎯 CPC Exam Focus – REMEMBER THIS
✔ Prefix meanings
✔ Proximal vs distal
✔ Medial vs lateral
✔ Supine vs prone
✔ Sagittal / Transverse / Coronal planes
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