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ICD Hub / Diseases of the genitourinary system (N00–N99) / GA01.11 - Chronic inflammatory disease of uterus with pyometra
ICD-11

ICD-11 Codes
for GA01.11 - Chronic inflammatory disease of uterus with pyometra
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Alternative Terminology for Chronic Inflammatory Disease of Uterus with Pyometra

The ICD-11 code GA01.11 represents Chronic inflammatory disease of uterus with pyometra. This condition is also clinically referred to as chronic purulent endometritis or chronic septic endometritis. In simpler terms, it is a severe infection of the uterus characterised by the accumulation of pus.

Understanding the Causes and Risk Factors of Pyometra

Chronic inflammatory disease of the uterus with pyometra (ICD-11 code GA01.11) typically arises from hormonal fluctuations in unspayed female animals, particularly after heat cycles. Following estrus, elevated progesterone levels can cause the uterine lining to thicken and develop cysts, a condition known as cystic endometrial hyperplasia (CEH). This thickened, cystic lining creates an environment conducive to bacterial growth, often originating from the vagina. Bacteria can ascend into the uterus, especially when the cervix is relaxed during or after estrus. High progesterone levels also impair the uterus's ability to contract and expel fluids or bacteria, while also inhibiting the normal immune response within the uterus. Consequently, an infection can develop, leading to the uterus filling with pus. Middle-aged to older, unspayed females are most susceptible. In rare instances, if residual ovarian tissue remains after a spay, a stump pyometra can occur.

Clinical Overview of Uterine Inflammation with Pyometra

Chronic inflammatory disease of the uterus with pyometra, identified by ICD-11 code GA01.11, is a serious and potentially life-threatening infection within the uterus. This condition involves the uterus becoming filled with bacteria and pus. It is considered a medical emergency that necessitates prompt and aggressive treatment to prevent severe complications or fatality. While preventable through spaying, its occurrence requires immediate veterinary attention.

Diagnosing Chronic Inflammatory Disease of Uterus with Pyometra

Veterinary professionals diagnose chronic inflammatory disease of the uterus with pyometra (ICD-11 code GA01.11) through a combination of methods. A thorough physical examination, including assessment of vaginal discharge and a review of the animal's reproductive history (such as recent heat cycles), forms the initial step. Diagnostic imaging, including ultrasound or X-rays, is crucial for identifying an enlarged, fluid-filled uterus. Laboratory tests, such as blood work to check for elevated white blood cell counts and signs of systemic illness, urine samples to assess kidney function, and vaginal cytology, further aid in confirming the diagnosis.

Recognising Symptoms of Uterine Infection with Pyometra

The presentation of chronic inflammatory disease of the uterus with pyometra can vary depending on whether the cervix is open or closed. Common signs include lethargy, a poor or absent appetite, and increased thirst and urination. Vomiting, a distended or painful abdomen, and fever may also be present. If the cervix is open, a cream-coloured or bloody vaginal discharge may be observed. When the cervix is closed, pus and toxins accumulate within the uterus, potentially leading to more rapid and severe illness, including abdominal swelling and systemic toxicity affecting organ function.

Management Strategies for Uterine Inflammation and Pyometra

Prompt treatment is critical for chronic inflammatory disease of the uterus with pyometra (ICD-11 code GA01.11), as it is a medical emergency. The primary and most effective treatment is surgical removal of the uterus and ovaries, known as an ovariohysterectomy or spay. This procedure is often more complex than a routine spay due to the severity of the infection. Supportive care, including intravenous fluids to manage dehydration and shock, and antibiotics to combat the infection, is essential before, during, and after surgery. While medical management with hormones, fluids, and antibiotics exists, it is rarely recommended due to variable success rates, significant side effects, and the risk of uterine rupture, particularly in critically ill patients or those with a closed cervix.

Frequently asked questions

What is the ICD-11 classification meaning of GA01.11?
GA01.11 classifies a chronic inflammatory disease of the uterus, characterized by inflammation lasting more than 3 months, with the presence of pyometra (pus accumulation within the uterine cavity).
How can post-coordination be applied to ICD-11 code GA01.11?
Post-coordination allows for the addition of specific anatomical sites within the uterus (e.g., endometrium, myometrium) or associated manifestations to GA01.11 to provide a more detailed classification.
What is the distinction between GA01.11 and unspecified codes for chronic inflammatory disease of the uterus?
GA01.11 is a specified code for chronic inflammatory disease of the uterus with pyometra. Unspecified codes, such as GA01.1Z, are used when the condition is chronic inflammatory disease of the uterus but pyometra is not specified or documented.
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