E34.9 Endocrine disorder, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Endocrine disturbance NOS
• Hormone disturbance NOS

Applies from E34 Other endocrine disorders

Excludes1 (never code together)

• pseudohypoparathyroidism (E20.1)

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 259.9 Unspecified endocrine disorder (approximate)

Code annotations containing back-references to E34.9

Back-references to E34

• Code First: G63 Polyneuropathy in diseases classified elsewhere ("endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)")

Diagnosis Index entries for E34.9

• Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) › in (due to) › endocrine disorder NEC
• Arthropathy › in (due to) › endocrine disease NOS
• Cataract (cortical) (immature) (incipient) › in (due to) › endocrine disease
• Complication (s) (from) (of) › endocrine
• Deficiency, deficient › endocrine
• Disease, diseased › ductless glands
• Disease, diseased › endocrine glands or system NEC
• Disorder (of) › endocrine
• Disturbance (s) › endocrine (gland)
• Disturbance (s) › hormones
• Dysendocrinism
• Dysfunction › endocrine NOS
• Dysfunction › gland, glandular NOS
• Glaucoma › in (due to) › endocrine disease NOS
• Imbalance › endocrine
• Imbalance › hormone
• Myopathy › endocrine NEC
• Myopathy › in (due to) › endocrine disease NEC
• Neuropathy, neuropathic › peripheral (nerve) › autonomic › in (due to) › endocrine disease NEC
• Polyneuropathy (peripheral) › in (due to) › endocrine disease NEC
• Syndrome › myasthenic › in › endocrine disease NEC

Nearby codes

• E34.5 Androgen insensitivity syndrome
• E34.50 Androgen insensitivity syndrome, unspecified
• E34.51 Complete androgen insensitivity syndrome
• E34.52 Partial androgen insensitivity syndrome
• E34.8 Other specified endocrine disorders
• E34.9 Endocrine disorder, unspecified (this code)