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ICD 10 code for Endocrine, nutritional and metabolic diseases complicating pregnancy, unspecified trimester. Get free rules, notes, crosswalks, synonyms, history for ICD-10 code O99.280.
- O99.283
ICD-10-CM Coding Rules. O99.283 is applicable to maternity...
- O99.283
Overt hypothyroidism in pregnancy is identified when TSH > 10 mIU/L, and treatment with LT4 is readily recommended at an initial dose of 2 mcg/kg/day.
1 Μαρ 2017 · A downward shift of the TSH reference range occurs during pregnancy, with a reduction in both the lower (decreased by about 0.1–0.2 mU/L) and the upper limit of maternal TSH (decreased by about 0.5–1.0 mU/L), relative to the typical nonpregnant TSH reference range.
15 Φεβ 2014 · The incidence of hypothyroidism during pregnancy is estimated to be 0.3% to 0.5% for overt hypothyroidism and 2% to 3% for subclinical hypothyroidism. 11 Overt hypothyroidism is defined as...
11 Αυγ 2023 · Women with established hypothyroidism should have a TSH test as soon as pregnancy is confirmed. They also should immediately increase their levothyroxine dose, because thyroid hormone requirements increase during pregnancy. (See below for specific dosing recommendations.)
TSH levels decreased gradually at weeks 5 to 6 to the lowest point at weeks 9 to 12 (range 0.07 – 3.28 mU/L). This is followed by a rise back to an intermediate value at weeks 15 to 19 (range 1.29 – 3.29 mU/L).
Hypothyroidism in pregnancy is defined as either overt hypothyroidism (raised serum thyroid-stimulating hormone [TSH] and low serum free thyroxine [FT 4]) or subclinical hypothyroidism (raised serum TSH and normal serum FT 4), based on the degree of thyroid failure.
