ICD-11 Codes
for 5A00.10 - Iodine-deficiency-related diffuse goitre

Teodor Jurukovski January 1, 1970

Fact checked by: Teodor Jurukovski

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Understanding Iodine-Deficiency-Related Diffuse Goitre

Iodine-deficiency-related diffuse goitre, identified by the ICD-11 code 5A00.10, refers to a condition where the thyroid gland enlarges diffusely due to insufficient iodine intake. Also known as iodine deficiency goitre, this condition occurs because the thyroid gland requires iodine to produce essential hormones that regulate metabolism. When iodine levels are consistently low, the thyroid gland may enlarge in an attempt to capture more iodine from the bloodstream, leading to a visible swelling in the neck.

Factors Contributing to Diffuse Goitre

The primary cause of iodine-deficiency-related diffuse goitre is a chronic lack of sufficient iodine in the diet. Iodine is essential for the synthesis of thyroid hormones. In regions where dietary iodine intake is low, such as in certain geographical areas or populations with limited access to iodised salt and iodine-rich foods, the risk of developing this condition increases significantly. Factors that can exacerbate iodine deficiency include inadequate consumption of seafood, dairy products, and iodised salt.

Recognising the Signs of Diffuse Goitre

The most apparent sign of iodine-deficiency-related diffuse goitre is a noticeable enlargement of the thyroid gland, presenting as a swelling at the front of the neck. This swelling may be accompanied by a feeling of tightness in the throat, difficulty swallowing, or hoarseness, particularly if the enlarged gland presses on surrounding structures. In some individuals, the enlargement may be subtle, while in others, it can become quite prominent. The condition is often asymptomatic beyond the physical enlargement.

Diagnosing Iodine-Deficiency Goitre

The diagnosis of iodine-deficiency-related diffuse goitre typically begins with a thorough medical history and physical examination, focusing on the neck area to assess for thyroid enlargement. Healthcare providers may palpate the thyroid gland to determine its size, consistency, and the presence of nodules. Blood tests to measure thyroid hormone levels (T3, T4) and thyroid-stimulating hormone (TSH) can help evaluate thyroid function. Confirmation of iodine deficiency may involve assessing dietary intake or, in some cases, specific iodine level tests, although this is less common for routine diagnosis.

Managing Diffuse Goitre

The primary management strategy for iodine-deficiency-related diffuse goitre involves addressing the underlying iodine deficiency. This is typically achieved through iodine supplementation, often via iodised salt in the diet or specific iodine supplements, under the guidance of a healthcare professional. Regular monitoring of thyroid function and gland size may be recommended to assess the effectiveness of treatment and ensure the goitre does not continue to grow or cause complications. In rare cases where the goitre is very large or causes significant symptoms, surgical intervention might be considered, though this is uncommon for deficiency-related goitres.

Coding and Documentation for 5A00.10

Accurate medical coding is essential for healthcare documentation, billing, and statistical tracking. The ICD-11 code 5A00.10 specifically identifies Iodine-deficiency-related diffuse goitre. This condition may also be referred to clinically as iodine-deficiency struma. Healthcare providers should use this precise code when documenting a patient's diagnosis to ensure proper record-keeping and reimbursement. This code facilitates clear communication among healthcare professionals and aids in epidemiological studies related to thyroid disorders and iodine deficiency. When documenting, ensure the clinical notes support the diagnosis of diffuse goitre directly linked to iodine deficiency.