Anti smooth muscle antibody

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Veteran Member

Date Joined Oct 2006
Total Posts : 851
   Posted 3/8/2012 6:44 PM (GMT -6)   
I'm confused. I recently had a positive ANA 1:80 (nuc pattern) and a positive anti smooth muscle antibody, titre 1:20

I thought the smooth muscle antibody was the same test as the anti-Sm test. But now I'm reading that anti Sm means anti Smith?

Can you clarify? My liver enzymes are fine.

Veteran Member

Date Joined May 2005
Total Posts : 7720
   Posted 3/9/2012 12:19 PM (GMT -6)   
I think there are 3 tests

anti-smooth muscle antibody
anti-Sm = anti-Smith

and I don't think any of them have anything to do with liver enzymes....
Lynnwood, Lupus & Sjogren's Moderator
"Life is far too important to be taken seriously" - Oscar Wilde

Veteran Member

Date Joined Oct 2006
Total Posts : 851
   Posted 3/9/2012 3:12 PM (GMT -6)   
Thanks, Joy. I appreciate your help.

Interstitial Cystitis; osteoarthritis; Fibromyalgia; Essential Tremor; Lyme w/ babesiosis |

Regular Member

Date Joined Oct 2008
Total Posts : 261
   Posted 3/13/2012 10:58 AM (GMT -6)   
Here are a few links I grabbed for you to answer your questions! Hope they help!

Anti Smooth Muscle Antibody:

Anti-SM Antibody:

Read Type 1 Autoimmune Hepatitis:
*Lupie Britt*- Epilepsy Dx: 2003 & UCTD w/SLE features Dx: 2009 SLE/Lupus Dx: May 12th 2011--Current Meds:Plaquenil-200mg 2x/day, Prednisone-1mgs taper 1mg every 4 wks, Keppra-750mg 2x/day, Daily Vitamin- 1 pill/day, Folic Acid- 1mg 1x/day, Protonix 40mg 1x/day,Vit. D 800IU's 1x/day, Lyrica 50mgs 1x/day, Flonase 50mcg 2 sprays each 1x/day.


Veteran Member

Date Joined Oct 2006
Total Posts : 851
   Posted 3/21/2012 1:34 PM (GMT -6)   
Thank you!
Worry is anxiety backed up by excuses invented by the mind. -Deepak Chopra
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