Top diagnoses by endocrinologists

Endocrinologists specialize in the endocrine system, which regulates hormone production and glands such as the thyroid and pancreas. The conditions they treat revolve around growth, weight, blood sugar management, and reproductive issues.

For this analysis, we reviewed data from the Definitive Healthcare ClaimsMx product for patient visits to endocrinologists. The table below shows the most frequent primary diagnoses for patients seen by endocrinologists in 2021.

Top 20 diagnoses for endocrinologist visits

Rank ICD-10 code ICD-10 description Percent of endocrinologist visits
1 E1165 Type 2 diabetes mellitus with hyperglycemia 12.9%
2 E119 Type 2 diabetes mellitus without complications 6.7%
3 E039 Hypothyroidism, unspecified 6.7%
4 E1065 Type 1 diabetes mellitus with hyperglycemia 3.7%
5 E042 Nontoxic multinodular goiter 3.2%
6 M810 Age-related osteoporosis without current pathological fracture 2.8%
7 E890 Postprocedural hypothyroidism 2.5%
8 E0590 Thyrotoxicosis, unspecified without thyrotoxic crisis or storm 2.3%
9 E109 Type 1 diabetes mellitus without complications 2.3%
10 N979 Female infertility, unspecified 2.0%
11 C73 Malignant neoplasm of thyroid gland 2.0%
12 E041 Nontoxic single thyroid nodule 1.8%
13 E063 Autoimmune thyroiditis 1.8%
14 E038 Other specified hypothyroidism 1.6%
15 E0500 Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm 1.5%
16 Z3141 Encounter for fertility testing 1.3%
17 E291 Testicular hypofunction 1.2%
18 Z3183 Encounter for assisted reproductive fertility procedure cycle 1.1%
19 N978 Female infertility of other origin 1.0%
20 E1142 Type 2 diabetes mellitus with diabetic polyneuropathy 0.9%
21 E118 Type 2 diabetes mellitus with unspecified complications 0.8%
22 I10 Essential (primary) hypertension 0.8%
23 E1122 Type 2 diabetes mellitus with diabetic chronic kidney disease 0.8%
24 E230 Hypopituitarism 0.8%
25 E1140 Type 2 diabetes mellitus with diabetic neuropathy, unspecified 0.8%

Fig. 1 Data from the Definitive Healthcare ClaimsMx product. Claims data is sourced from multiple medical claims clearinghouses in the United States and updated monthly. Data accessed September 2022.

What are the most common conditions for endocrinologist visits?

ICD-10 code E1165, type 2 diabetes mellitus with hyperglycemia, was the most frequent primary diagnosis on endocrinologist claims, accounting for nearly 13% of patient visits in 2021. An additional type 2 diabetes code—E119, type 2 diabetes mellitus without complications—is the second most frequent, representing another 6.7% of visits.

Diabetes is a common, chronic condition estimated to affect more than 37 million Americans.

Third on the list, hypothyroidism (ICD-10 E039) is another chronic condition and comorbidity to type 2 diabetes. Additional conditions endocrinologists commonly see patients for include:

Type 2 diabetes diagnoses accounted for about 26% of the endocrinologist insurance claims analyzed.

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