Lynch Syndrome ICD 10, Lynch Syndrome, ICD 10 Lynch Syndrome

(2022) How To Code Lynch Syndrome ICD 10 – List With Codes & Guidelines

This article will outline the causes, symptoms, diagnosis, treatment and the ICD 10 CM code for Lynch Syndrome.

Lynch Syndrome ICD 10 Causes

Lynch Syndrome ICD 10, also known as Hereditary Non-Polyposis colorectal cancer (HNPCC), is the most common cause of hereditary colorectal cancer.

People with Lynch Syndrome ICD 10 are more likely to have colorectal cancer and other cancers younger than 50, including cervical cancer, cervical cancer, stomach, liver, kidney, brain and certain types of skin cancer.

It can cause up to 4,000 bowel cancers and 1,800 cervical cancers a year.

Lynch Syndrome ICD 10 Symptoms

Lynch Syndrome ICD 10 can be confirmed by a blood test. This test determines whether someone carries a mutation that is passed on to gene 1 associated with Lynch Syndrome ICD 10. Not all families with the syndrome have a recognizable mutation in the gene.

Screening tests can be carried out on tumours and cancerous tissue to determine whether Lynch Syndrome ICD 10 is likely.

The two proposed screening tests are Microsatellite Instability Testing (MSI) and Immunohistochemistry Testing (IHC). The results of these tests could indicate whether specific genetic tests should be considered.

Lynch Syndrome ICD 10 Treatment

If Lynch Syndrome ICD 10 is diagnosed, surgery is the first step in treatment. The biopsy forceps are inserted into the colonoscopy so that the doctor can see if polyps are present.

If the doctor finds evidence of cancer, surgery offers the best chance of recovery.

There are a few different surgical options available. The doctor will explain each one in detail in order to help the patient choose the best approach. Surgical options include the following options:


If the doctor detects a polyps during the examination, he can remove it by a colonoscopy. Sometimes the endoscopic approach is sufficient, and sometimes the doctor may recommend surgery.

The aim of treatment for Lynch syndrome is to remove the polyp in the presence of cancer. The doctor can also perform endoscopic treatment.

Total proctocolectomy

In this procedure, the entire colon and rectum are removed. The doctor then performs an ileostomy, which leads the patient’s small intestine into the abdominal wall. The waste is collected in an ileostomy bag.

This procedure can be temporary or permanent. It is performed when one of the following cases occurs: invasive cancer is found in the rectum, the anal sphincter does not function properly or the spinal muscle is too weak.

Both a colectomy and an ileostomy

In this procedure, the doctor removes the large intestine and preserves most of the rectum. The doctor then attaches the small intestine to the upper part of the intestine.

This is a more complicated operation than a total proctocolectomy, but it is designed to maintain bowel function. If the rectum is not removed, polyps and cancer can develop. This operation is more relaxing than a proctocolectomy.

ICD 10 Code For Lynch Syndrome

ICD 10 CM Z15.09 Genetic susceptibility to other malignant neoplasm


  • Genetic counseling for heritable cancer
  • Genetic counseling for heritable cancer with patient at risk done
  • Genetic susceptibility to cancer
  • Hnpcc – hereditary nonpolyposis colon cancer
  • Lynch syndrome

Related ICD 10 Codes:

ICD 10 CM Z15 Genetic susceptibility to disease 

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