ICD-10-CM Code E02

Subclinical iodine-deficiency hypothyroidism

Version 2020 Billable Code

Valid for Submission

E02 is a billable code used to specify a medical diagnosis of subclinical iodine-deficiency hypothyroidism. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code E02 might also be used to specify conditions or terms like iodine hypothyroidism or subclinical disease and/or syndrome or subclinical hypothyroidism or subclinical iodine deficiency hypothyroidism.

ICD-10:E02
Short Description:Subclinical iodine-deficiency hypothyroidism
Long Description:Subclinical iodine-deficiency hypothyroidism

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code E02 are found in the index:


Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Iodine hypothyroidism
  • Subclinical disease AND/OR syndrome
  • Subclinical hypothyroidism
  • Subclinical iodine deficiency hypothyroidism

Diagnostic Related Groups

The ICD-10 code E02 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC).
applicable from 10/01/2020 through 09/30/2020.

  • 643 - ENDOCRINE DISORDERS WITH MCC
  • 644 - ENDOCRINE DISORDERS WITH CC
  • 645 - ENDOCRINE DISORDERS WITHOUT CC/MCC

Convert E02 to ICD-9

  • 244.8 - Acquired hypothyroid NEC (Approximate Flag)

Code Classification

  • Endocrine, nutritional and metabolic diseases (E00–E90)
    • Disorders of thyroid gland (E00-E07)
      • Subclinical iodine-deficiency hypothyroidism (E02)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Information for Patients


Hypothyroidism

Your thyroid is a butterfly-shaped gland in your neck, just above your collarbone. It is one of your endocrine glands, which make hormones. Thyroid hormones control the rate of many activities in your body. These include how fast you burn calories and how fast your heart beats. All of these activities are your body's metabolism. If your thyroid gland is not active enough, it does not make enough thyroid hormone to meet your body's needs. This condition is hypothyroidism.

Hypothyroidism is more common in women, people with other thyroid problems, and those over 60 years old. Hashimoto's disease, an autoimmune disorder, is the most common cause. Other causes include thyroid nodules, thyroiditis, congenital hypothyroidism, surgical removal of part or all of the thyroid, radiation treatment of the thyroid, and some medicines.

The symptoms can vary from person to person. They may include

  • Fatigue
  • Weight gain
  • A puffy face
  • Cold intolerance
  • Joint and muscle pain
  • Constipation
  • Dry skin
  • Dry, thinning hair
  • Decreased sweating
  • Heavy or irregular menstrual periods and fertility problems
  • Depression
  • Slowed heart rate

To diagnose hypothyroidism, your doctor will do a physical exam, look at your symptoms, and do thyroid tests. Treatment is with synthetic thyroid hormone, taken every day.

NIH: National Institute of Diabetes and Digestive and Kidney Diseases


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