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Endocrinology ICD-10 Cheat Sheet
52 most-used billable ICD-10-CM diagnosis codes (of 67 common endocrinology codes)
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- B25.2Cytomegaloviral pancreatitis
- C56.1Malignant neoplasm of right ovary
- C56.2Malignant neoplasm of left ovary
- C56.9Malignant neoplasm of unspecified ovary
- C73Malignant neoplasm of thyroid gland
- E03.9Hypothyroidism, unspecified
- E05.00Thyrotoxicosis with diffuse goiter without thyrotoxic crisis or storm
- E05.90Thyrotoxicosis, unspecified without thyrotoxic crisis or storm
- E10.9Type 1 diabetes mellitus without complications
- E11.9Type 2 diabetes mellitus without complications
- E13.9Other specified diabetes mellitus without complications
- E21.3Hyperparathyroidism, unspecified
- E22.0Acromegaly and pituitary gigantism
- E24.0Pituitary-dependent Cushing's disease
- E24.2Drug-induced Cushing's syndrome
- E24.3Ectopic ACTH syndrome
- E24.4Alcohol-induced pseudo-Cushing's syndrome
- E24.8Other Cushing's syndrome
- E24.9Cushing's syndrome, unspecified
- E27.1Primary adrenocortical insufficiency
- E27.2Addisonian crisis
- E27.3Drug-induced adrenocortical insufficiency
- E27.40Unspecified adrenocortical insufficiency
- E27.49Other adrenocortical insufficiency
- E66.09Other obesity due to excess calories
- E66.1Drug-induced obesity
- E66.9Obesity, unspecified
- E78.5Hyperlipidemia, unspecified
- E83.52Hypercalcemia
- E84.9Cystic fibrosis, unspecified
- E89.6Postprocedural adrenocortical (-medullary) hypofunction
- M81.0Age-related osteoporosis without current pathological fracture
- M88.0Osteitis deformans of skull
- M88.1Osteitis deformans of vertebrae
- M88.811Osteitis deformans of right shoulder
- M88.812Osteitis deformans of left shoulder
- M88.821Osteitis deformans of right upper arm
- M88.822Osteitis deformans of left upper arm
- M88.831Osteitis deformans of right forearm
- M88.832Osteitis deformans of left forearm
- M88.841Osteitis deformans of right hand
- M88.842Osteitis deformans of left hand
- M88.851Osteitis deformans of right thigh
- M88.852Osteitis deformans of left thigh
- M88.861Osteitis deformans of right lower leg
- Q96.0Karyotype 45, X
- Q96.1Karyotype 46, X iso (Xq)
- Q96.2Karyotype 46, X with abnormal sex chromosome, except iso (Xq)
- Q96.3Mosaicism, 45, X/46, XX or XY
- Q96.4Mosaicism, 45, X/other cell line(s) with abnormal sex chromosome
- Q96.8Other variants of Turner's syndrome
- Q96.9Turner's syndrome, unspecified
Excludes1 traps — never code together
- E11.9✗ type 2 diabetes mellitus, without complications in remission (E11.A)
- E22.0✗ constitutional gigantism (E34.4)
- E27.1✗ Addison only phenotype adrenoleukodystrophy (E71.528)
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Need the full list? All 67 common endocrinology codes · Check a claim in the ICD-10 validator
Codes reflect the FY2026 ICD-10-CM code set. Always verify against current coding guidelines before billing.