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the Anatomical Therapeutic Chemical (ATC) classification system
Version for 2006
(World Health Organization)

Structure
In the Anatomical Therapeutic Chemical (ATC) classification system, the drugs are divided into different groups according to the organ or system on which they act and their chemical, pharmacological and therapeutic properties.

Drugs are classified in groups at five different levels. The drugs are divided into fourteen main groups (1st level), with one pharmacological/therapeutic subgroup (2nd level). The 3rd and 4th levels are chemical/pharmacological/therapeutic subgroups and the 5th level is the chemical substance. The 2nd, 3rd and 4th levels are often used to identify pharmacological subgroups when that is considered more appropriate than therapeutic or chemical subgroups.

The complete classification of metformin illustrates the structure of the code:

A Alimentary tract and metabolism
(1st level, anatomical main group)
A10 Drugs used in diabetes
(2nd level, therapeutic subgroup)
A10B Oral blood glucose lowering drugs
(3rd level, pharmacological subgroup)
A10BA Biguanides
(4th level, chemical subgroup)
A10BA02 Metformin
(5th level, chemical substance)

Thus, in the ATC system all plain metformin preparations are given the code A10BA02.
  • A - Alimentary tract and metabolism
  • B - Blood and blood forming organs
  • C - Cardiovascular system
  • D - Dermatologicals
  • G - Genito-urinary system and sex hormones
  • H - Systemic hormonal preparations, excluding sex hormones and insulins
  • J - Anti-infectives for systemic use
  • L - Antineoplastic and immunomodulating agents
  • M - Musculo-skeletal system
  • N - Nervous system
  • P - Antiparasitic products, insecticides and repellents
  • Q - Veterinary drug
  • R - Respiratory system
  • S - Sensory organs
  • V - Various



Comments

LINA SAEM STOEY
12 Nov 2007, 02:13
Dear Drugs About:
I am doing drug coding using ATC system. Some drug (chemical substance) has multiple ATC code. How do I know which one to use? Is there really a different? Or, if I just pick one, would it codes the same thing and be understood as the same chemical substance?
thanks!
Lina
Project Manager
CCBR
Denmark
Jagged
12 Nov 2007, 11:03
Hi Lina,
Most of active drugs ingredients have one ore more ATC codes. But most of drugs trade names have ATC codes only for their medical indications. For example, Ibuprofen has 20 ATC codes, but "Advil Extra Strength Liquidui-Gels" (it's the same Ibuprofen) has only M01AE01 code. So if you do drug coding with drugs INN (generic) names use all these codes, but for medicines trade names use only ATC codes for their indications ind usage.
Also you can find more info from ATC makers: http://www.whocc.no/atcddd/
LINA SAEM STOEY
13 Nov 2007, 01:29
Hi again,
Thanks for your response. This info helps!
Sincerely,
lina
Moamed yousef
20 Jun 2008, 22:30
In many websites we can find many different ATC CLASSIFICATION SYSTEMS HOW I CAN CHOOSE THE BEST AND ACCURATE SYSTEM
Merrel
25 Jul 2008, 08:16
why do you use ATC coding, why not use medDRA.
darshan
28 Jul 2008, 21:41
hi lina
you did not gives that which ATC is best for us.
pradip mer
21 Dec 2009, 07:07
my sister f/51yrs deveioped ca breast cancer on 28.3.2007 and was operated for it mrm on 30.3.2007 with 3 axillary nodes tre of one of 7 radio & chemo given she re developed nodule it scane on 14.04.09 & was operated on 17.04.09 for same & was radiated in june 09 she developed ca rt brest c pet scane shown metastesis in lungs & spine so she was give again chemotherapy for 18 seatings which completed on 09.11.09 new report as under 1)skull multiple spots 2)both scapulae and sternum 3)multiple ribs bilaternum 4)multiple vertebrae 5)pelvis 6)long bone of the upper and lower limbs
comments; abnormal bone scan consistent with widespread skeletal
metastasis
please suggest medicine for her
your faith fully
thank you
pradip mer
thank you
marc
21 Dec 2009, 07:12
I am on methadone and a friend of mine who is in the same clinic as I am is taking dormicum. Now he is addicted to it and with out it, he will go into withdrawals. How do one wane dormi. and stop? Is there a replacement drug like methadone or suboxone? Not only he is addicted to it, there are a few of the patients here too are taking it daily, if not than they will go into withdrawals. Is there any thing to counter it? thank you.
Dr Y B Chhatbar
31 Dec 2009, 03:22
My wife f/51yrs named Indu deveioped ca breast cancer on 28.3.2007 and was operated for it mrm on 30.3.2007 with 3 axillary nodes positive.After that radio & chemo given. she re developed nodule on same side and on 14.04.09 & was operated on 17.04.09 for same & was radiated in june 09.By that time she developed ca rt brest.pet scane showed metastesis in lungs & spine so she was give again chemotherapy for 18 seatings which completed on 09.11.09 new report as under 1)skull multiple spots 2)both scapulae and sternum 3)multiple ribs bilaternum 4)multiple vertebrae 5)pelvis 6)long bone of the upper and lower limbs
comments; abnormal bone scan consistent with widespread skeletal
metastasis
please suggest medicine for her
your faith fully
thank you
Dr Y B Chhatbar MS (ENT)
satish
31 Jan 2010, 05:10
hello sir, i'm b.pharmacy final year student, i'm doing work on project of biopharmaceutics classification system, i'm confused classification of drug according to therpeutic, chemical, based on organ how to catogrised here
thanks
vivek
17 Feb 2010, 22:26
Hi Pradeep and Chhatbar
I am also in the same boat as you, with my wife suffering from multiple metastases. The allopathic doctors gave up hope of further treatment. Now, I took her to the ayurvedic specialist, Dr.P.K.Varier of Kottakkal Arya Vaidya Sala, Kottakkal, Kerala, India and he gave us hope of getting her treated with proven ayurvedic medicines and some dietary changes.
So, do not waste further time and please take the patient alongwith you, by first calling the hospital for prior appointment date. Their phone no. is: 0483 2742212. Tell them that you want appointment with Dr.P.K.Varier and it is for a multiple metastases cancer patient.
If you want further guidance about how to reach that place(Kottakkal) I can help you out. You can mail me at jbwrks@yahoo.com.
Thanks and Best of Luck!
Keep Hopes!
-vivek
Stanley
17 Feb 2010, 22:50
side effects of triviro tablets
Fernanda Moreira
05 Aug 2010, 13:15
how to buy Staphylase suspension here in Brazil?
tommy
25 Aug 2010, 10:29
Dear sir/madam

My wife has metastatic melanoma.
Previously surgicaly removed from
the lumph nodes,left and right lung.
Diagnosed last month with recurence
in the left & right lung. please
advise of the latest
medication or cure available
Mhamad
23 Dec 2010, 10:51
Hello , i am having throat pain, i think i am in the begining of allergy , i can't swallow and i feel alot of pain when i do it, does jasimenth c treat this pain without taking anti-biotics its the first time i use it i was used on trachisan please inform me about jasimentch c treatment and conditions of use cause i have searched alot thru internet and i didn't found any information about it. thanks
Benedicte
27 Dec 2010, 13:16
Hi, I have spondiolithiosis (?) and am due for a spinal fusion in early jan, I used to take Wellconal (Diconal) for pain relief and could function! However there has been no stock for the last 3 - 4 months, how would I go about sourcing this?
caterina salvi
17 Jan 2011, 17:15
vorrei sapere a cosa serve il farmaco VIGORAN. Grazie
Rosa
01 Feb 2011, 03:35
Is Fibrase good to treat unterine Fibroids?
Vinay
13 Feb 2011, 13:22
Hi,
Can Lobate M be applied internally....My wife has vaginal itching....can this cream be used for internal application
elizabeth ortega
14 Feb 2011, 04:52
Y la "E" y La "F" para q sirven ¿?
Edward White
23 Feb 2011, 20:13
What is Dr.fischers inzol Oil used for ????????
H/Dr.Niaz Muhammad Khan
28 Feb 2011, 11:44
Dear Expert,
Thanks, I send a mail fort time Ihope you are appreciate I should information of your products and nice advise
Kindly cooperat and guideline
Tahnking you
Regards
H/Dr. Niaz Muhammad Khan
Karachi, Pakistan
joana
01 Mar 2011, 00:46
Ive been sufffering from vasculities for about 6 mos now,is it advisable for me to try celestamine since i have tried it 3 years ago for my skin allergy?
mehmet
19 Mar 2011, 18:13
trolamine biogaran lazım bana lütfen yardım edebilecekler .05076882923 ten bana ulassın.yada lakukaraca@hotmail.com dan bana ulassın
rene
20 May 2011, 10:33
tengo un hijo futbolista,que segun su d.t.tiene que ganar masa muscular,que medicamentos o drogas me recomiendan para ese efecto,desde ya muy agradecido.
estela
31 May 2011, 21:42
necesito comprar VIGILOR en Argentina, donde puedo conseguirlo???
sunil kowtal
27 Jul 2011, 06:36
Please let me know how to increase the IRON consumption in our Diets.

lauri
11 Sep 2011, 20:02
no entiendonada español por fa!
Anna
25 Feb 2013, 12:02
hi! Doc,
I am 20 years old female and suffering from psoriasis for almost 4 yrs. and i've been treating it also but it keeps on coming back. I was also told that this auto-immune disease is a life time skin disease but still im hoping to find the cure of my skin problem just like other patients who is now free from psoriasis. My neighbor told me that Nephrogenta Ointment, is a an ointment that cured her eczema and im thinking if this can heal me.... Can you tell something about this Ointment????

Thanks,
20 F Philippines
syed intizar ahmad
20 Aug 2013, 10:47
i need complete information mod of action pack size rate side effects and benefits of this product. THANKS
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