PICC: peripherally inserted central catheter
A PICC is a thin, long tube placed through a vein in the arm so that its tip reaches a large vein near the heart. It is used for long-term treatment.

01Short answer
02Simple explanation
Placed through the arm.
Tip near the heart.
Weeks to months.
Keep the dressing dry.
03Scientific explanation
NCI: a PICC is a thin tube inserted through an arm vein into a large vein.
The NCI Dictionary explains cancer terms in plain language; check the exact meaning for your situation with your doctor.
04What happens in the body?
Every day
A waterproof cover in the shower.

Urgent
Fever, a swollen arm or breathlessness.

Where you will see this word
In test results, discharge letters and conversations with your doctor. Write the word down and ask what it means.
Ask your doctor
The general meaning and the meaning of your own result can differ. The most important question is “What does this mean for me?”
05From an unfamiliar word to a clear answer: four steps
Write it down, look it up, prepare a question, ask.







06Key points at a glance
| Topic | In brief |
|---|---|
Every day | A waterproof cover in the shower. |
Urgent | Fever, a swollen arm or breathlessness. |
Where you will see this word | In test results, discharge letters and conversations with your doctor. Write the word down and ask what it means. |
Ask your doctor | The general meaning and the meaning of your own result can differ. The most important question is “What does this mean for me?” |
07Key terms
- Catheter
- A tube placed in the body.
- Flushing
- Cleaning the catheter with a solution.
- Term
- A word with a precise medical meaning.
- Reference range
- The range a laboratory considers normal.
08Key points
- Learn.
- Ask your doctor.
- Write it down.
- Write the word down.
- Ask what it means.
09Frequently asked questions
Can I swim?
Usually not; ask your team.
How is a PICC different from a port?
A PICC comes out of the arm; a port sits under the skin.
This word is in my results: should I worry?
The word itself does not mean a serious or mild condition; get the explanation from your doctor.
10Questions for your doctor
Take these questions to your appointment. The ones you save are collected on the “My questions” page and stay on this device only.
Can I swim?
How is a PICC different from a port?
This word is in my results: should I worry?
12Sources
- National Cancer Institute. NCI Dictionary of Cancer Terms: PICC
- National Cancer Institute. NCI Dictionary of Cancer Terms: infection
- National Cancer Institute. NCI Dictionary of Cancer Terms
- National Cancer Institute. Leukemia
- National Cancer Institute. NCI Dictionary of Cancer Terms: petechiae
- National Cancer Institute. NCI Dictionary of Cancer Terms: gene
- MedlinePlus Genetics. Help Me Understand Genetics: The basics
- MedlinePlus. Complete Blood Count (CBC)
- NHS. Sepsis
- National Cancer Institute. NCI Dictionary of Cancer Terms: remission
Every day
Urgent
Where you will see this word
Ask your doctor