ICD 10 Code for UTI

ICD 10 Code for UTI: Everything You Need to Know

ICD 10 Code for UTI - icd10-coding

Urinary tract infections (UTIs) are one of the most common bacterial infections in the world. They affect millions of people every year, especially women. UTIs can cause a lot of discomfort and pain and sometimes lead to serious complications if left untreated.

But what exactly is a UTI? How do you know if you have one? How do you treat it? And what is the ICD 10 code for UTI?

In this article, we will answer all these questions and more. We will explain what a UTI is, what causes it, what are the symptoms, how it is diagnosed, and how it is treated. We will also tell you what the ICD 10 code for UTI is and why it is important.

What is a UTI?

A UTI is an infection that affects any part of the urinary tract. The urinary tract is a system of organs that work together to remove waste and excess fluid from the body. It includes:

  • – The kidneys, which filter the blood and produce urine
  • – The ureters, which carry urine from the kidneys to the bladder
  • – The bladder, which stores urine until it is ready to be released
  • – The urethra, which carries urine from the bladder to the outside of the body

A UTI can occur in any part of the urinary tract, but it is most common in the lower part, namely the bladder and the urethra. This type of UTI is also called a bladder infection or cystitis.

A bladder infection can cause symptoms such as:

  • – Pain or burning sensation when urinating
  • – Frequent or urgent need to urinate
  • – Cloudy, bloody, or foul-smelling urine
  • – Lower abdominal pain or pressure
  • – Fever or chills

If the infection spreads to the upper part of the urinary tract, namely the kidneys and the ureters, it can cause more serious symptoms such as:

  • High fever
  • – Back pain or flank pain
  • – Nausea or vomiting
  • – Confusion or delirium

This type of UTI is also called a kidney infection or pyelonephritis. It can be a life-threatening condition that requires immediate medical attention.

What Causes a UTI?

A UTI is caused by bacteria that enter the urinary tract through the urethra. The most common type of bacteria that causes UTIs are Escherichia coli (E. coli), which normally lives in the intestines.

There are many factors that can increase the risk of getting a UTI, such as:

  • Being female: Women have a shorter urethra than men, which makes it easier for bacteria to reach the bladder.
  • Sexual activity: Having sex can introduce bacteria into the urinary tract, especially if there is poor hygiene or use of spermicides.
  • Menopause: Hormonal changes can affect the vaginal flora and make it more prone to infections.
  • Pregnancy: The growing uterus can put pressure on the bladder and make it harder to empty completely.
  • Diabetes: High blood sugar levels can impair the immune system and make it harder to fight off infections.
  • Urinary catheters: Having a tube inserted into the bladder can introduce bacteria and cause irritation.
  • Kidney stones: Having stones in the kidneys or ureters can block the flow of urine and create a breeding ground for bacteria.
  • Other medical conditions: Having a weakened immune system or an abnormal urinary tract structure can increase the risk of UTIs.

How is a UTI Diagnosed?

If you suspect you have a UTI, you should see your doctor as soon as possible. Your doctor will ask you about your symptoms, medical history, and sexual activity. They will also perform a physical examination and order some tests to confirm the diagnosis.

The most common test for a UTI is a urine test. This involves collecting a sample of your urine and sending it to a laboratory for analysis. The lab will check for signs of infection such as:

  • – Bacteria
  • – White blood cells
  • – Red blood cells
  • – Nitrites
  • – Leukocyte esterase

Sometimes, your doctor may also order other tests to rule out other conditions or complications, such as:

  • A urine culture: This involves growing bacteria from your urine sample in a petri dish to identify the specific type and determine its sensitivity to antibiotics.
  • A blood test: This involves checking your blood for signs of infection or inflammation such as white blood cells or C-reactive protein (CRP).
  • An ultrasound: This involves using sound waves to create an image of your kidneys and bladder to look for any abnormalities or obstructions.
  • A CT scan: This involves using X-rays to create a detailed image of your urinary tract to look for any abnormalities or obstructions.

How is a UTI Treated?

The main treatment for a UTI is antibiotics. Antibiotics are drugs that kill bacteria and stop them from multiplying. The type and duration of antibiotics that you need will depend on several factors such as:

  • – The type of bacteria that caused your infection
  • – The severity of your symptoms
  • – Your medical history and allergies
  • – Your pregnancy status

In most cases, you will need to take antibiotics for 3 to 7 days. However, if you have a kidney infection or other complications, you may need to take them for longer or receive them intravenously (through a vein).

It is important to follow your doctor’s instructions and take all your antibiotics as prescribed. Do not stop taking them even if you feel better. Stopping antibiotics early can increase the risk of recurrence or resistance.

In addition to antibiotics, your doctor may also recommend some home remedies or over-the-counter medications to help relieve your symptoms, such as:

  • Drinking plenty of fluids: This helps flush out bacteria from your urinary tract and prevent dehydration.
  • Taking pain relievers: This helps reduce pain and inflammation caused by the infection.
  • Taking cranberry juice or supplements: This may help prevent bacteria from sticking to the walls of your urinary tract.
  • Taking probiotics: This may help restore the balance of good bacteria in your vagina and prevent future infections.

What is the ICD 10 Code for UTI?

The ICD 10 code for UTI is N39.0. This code stands for “Urinary tract infection, site not specified“.

The ICD 10 code for UTI belongs to a category of codes called N30-N39: Other diseases of the urinary system. This category covers a range of conditions that affect the urinary tract.

Other ICD 10 Codes for UTI

The ICD 10 code for the UTI site not specified is N39.0. However, there are other codes for UTI depending on the type and cause of the infection. For example:

N30.00: Acute cystitis without hematuria

N30.01: Acute cystitis with hematuria

N30.10: Interstitial cystitis (chronic) without hematuria

N30.11: Interstitial cystitis (chronic) with hematuria

N30.20: Other chronic cystitis without hematuria

N30.21: Other chronic cystitis with hematuria

N30.40: Irradiation cystitis without hematuria

N30.41: Irradiation cystitis with hematuria

N30.80: Other cystitis without hematuria

N30.81: Other cystitis with hematuria

N30.90: Cystitis, unspecified without hematuria

N30.91: Cystitis, unspecified with hematuria

N34.0: Urethral abscess

N34.1: Nonspecific urethritis

N34.2: Other urethritis

N34.3: Urethral syndrome, unspecified

These codes are found in chapter 14 of the ICD 10 manual, which covers diseases of the genitourinary system.

It is important to use the most specific code available to describe the UTI and its location, based on the documentation and clinical criteria.

Some additional codes may be used to report a personal history of UTI or long-term use of antibiotics, such as:

Z87.440: Personal history of urinary (tract) infections

Z79.2:      Long-term (current) use of antibiotics

These codes are found in chapter 21 of the ICD 10 manual, which covers factors influencing health status and contact with health services.

The ICD 10 code for UTI can be used to:

  • – Track the incidence and prevalence of UTIs in different populations
  • – Identify risk factors and comorbidities associated with UTIs
  • – Bill insurance companies for the cost of diagnosis and treatment of UTIs

The ICD 10 code for UTI is based on the International Classification of Diseases (ICD), which is a standardized system of codes that classify diseases and health problems. The ICD is maintained by the World Health Organization (WHO) and is updated periodically.

The current version of the ICD is the 10th revision (ICD-10), which was adopted by the WHO in 1990 and implemented by most countries in 2015. The ICD-10 has more than 70,000 codes that cover a wide range of diseases and health conditions.


– Mayo Clinic. (2019, October 14). Urinary tract infection (UTI). 

– NHS. (2018, October 23). Urinary tract infections (UTIs). 

– NIDDK. (2017, June). Urinary tract infection in adults.

– Ouellette, J. (2019, November 15). Physicists capture the first footage of quantum knots unraveling in a superfluid. Ars Technica. 

WHO. (2021). International Classification of Diseases (ICD) information sheet. 


What is the ICD 10 code for a urinary tract infection (UTI)?

The ICD 10 code for a urinary tract infection (UTI) is N39.0. Learn more about this code and how it is used to identify UTIs in medical records and billing systems.

When should I use the ICD 10 code for UTI?

Use the ICD 10 code N39.0 for UTI when the site of the infection is not specified or known. Discover more about when and how to use this code correctly.

What are some specific codes for UTIs?

Explore specific ICD 10 codes for UTIs depending on the site and nature of the infection. Examples include acute cystitis, interstitial cystitis, urethral abscess, and nonspecific urethritis. Gain a better understanding of the various specific codes available.

What are additional codes that may be used for UTIs?

Learn about additional codes that may be used in conjunction with the primary UTI code. These codes include identifying the infectious agent, personal history of urinary tract infections, and long-term use of antibiotics. Discover their importance and relevance in UTI coding.

How can I find the correct ICD 10 code for UTI?

Follow a step-by-step process to find the correct ICD 10 code for UTI. From reviewing documentation to searching the ICD 10 manual or online database, ensure accurate code selection. Discover tips for choosing the most specific code and verifying it using coding software or tools.

ICD 10 Code for UTI

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