What are my chances of successfully passing my stone?- A KidneyStoners.org Infographic

We frequently receive questions from patients trying to pass a stone who want to know whether they will be able to pass it successfully.  There are three main factors that your doctor uses to predict your chances of successful stone passage. These include stone size, stone location, and what length of time you have been trying to pass the stone. We go over each factor in the infographic below.


Coll, Varanelli and Smith, “Relationship of Spontaneous Passage of Ureteral Calculi to Stone Size and Location as Revealed by Unenhanced Helical CT”. American Journal of Roentgenology, 2002.

Miller and Kane, “Time to Stone Passage for Observed Ureteral Calculi: A Guide for Patient Education”. Journal of Urology, 1999.

About Dr. Mike Nguyen

Mike M Nguyen, MD, MPH, is a urologist and an Associate Professor of Clinical Urology at the Keck School of Medicine of USC in Los Angeles, CA. He specializes in the treatment of kidney stones with both surgery and dietary prevention and the in the treatment of kidney and prostate cancer using the latest robotic surgical approaches. He sees patients at clinics located in Los Angeles, Pasadena, and La Canada, CA. He is the founder of the www.KidneyStoners.org website.
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51 Responses to What are my chances of successfully passing my stone?- A KidneyStoners.org Infographic

  1. Manko Molabe says:

    How possible is it to pass 12mm x 4mm stone without any medical intervention. its seems like i just did without been aware that i have one. have the sample with me

  2. Mohsin says:

    I have.16mm stone in left mid of ureter.can I pass this stone urine..or should I go fur any surgery

  3. Tanveer says:

    my mother has 2 stones one of 10mm and the other is 7mm. the second one is in bladder and the first one is moving from kidney. pain killer injections are being used to avoid pain. is it possible these stones will remove with urine or some other method may be suggested.

  4. Marion says:

    I have a 6mm stone stuck near bladder and been there 6months and hospital have left me to flush it out and the pain is bad but no-one will help me.will this pass?

  5. Beth says:

    I have a 12mm*6mm kidney stone in the renal pelvis with partial blockage. What will need to be done to get rid of this stone? Will I have to have surgery?

  6. latasha says:

    I was at the er on Thursday and admitted with a 4mm kidney stone . I was discharged Friday and still didn’t pass my stone while in the hospital. I returned to the hospital Sunday with severe pain in my lower abdomen . the stone feels like it is right at the urethra ready to be pushed out like a baby ! while at the hospital on Sunday I thought I had past it ! well I was wrong and am right back to the pain I was in at the beginning ! how long is it going to take to pass this stone ? is it possible for the stone to get stuck in this area !! please help me !! im ready to pass out.

  7. Gaurav verma says:

    Hi, i have a stone problem but since yesterday I am having a little pain ,after having the ultrasound I found 10mm stone in the lower ureter near VUJ. Is there any any chance to pass it through urine without surgery. I consult to my doctor and he said to wait five days and giving his treatment .

  8. FF says:

    I went to the ER one month ago with severe pain and found out was because of a 2mm stone on my right kidney.
    Now I have this burning sensation and urge to pee and it hurts all day long, non-stop. I don’t know if the stone is moving but it hurts a lot. It’s being such a long time since that severe pain, isn’t it 30 days enough to pass a stone?

  9. Farook Shaik says:

    Hello All,

    I had stomach pain on last Sunday 16th Aug 2015 and as per the doctors advice, I had Ultra sound scan and CT scan as well. I have 2 stones in side the kidney and 1 stone of size 6.5 * 4.5 mm in the Right Proximal Uretor.Do I need to go for Ureteroscopy immediately or if I can wait, how many days I can wait to get the stone in Urine. Please advice. Your input will really help me. Thank You.
    Ph : 9916542464

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