Specific code 2012 ICD-9-CM Diagnosis Code 255.0
Cushing's syndrome
  • ICD-9-CM 255.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 255.0 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 255.0.
  • More recent version(s) of ICD-9-CM 255.0: 2013 2014 2015.
Convert to ICD-10-CM: 255.0 converts approximately to:
  • 2015/16 ICD-10-CM E24.0 Pituitary-dependent Cushing's disease
    Or:
  • 2015/16 ICD-10-CM E24.2 Drug-induced Cushing's syndrome
    Or:
  • 2015/16 ICD-10-CM E24.3 Ectopic ACTH syndrome
    Or:
  • 2015/16 ICD-10-CM E24.8 Other Cushing's syndrome
    Or:
  • 2015/16 ICD-10-CM E24.9 Cushing's syndrome, unspecified
Approximate Synonyms
  • Adrenal Cushing's syndrome
  • Adrenocorticotropic hormone -dependent Cushing's syndrome
  • Alcohol-induced pseudo-Cushing's syndrome
  • Artefactual pseudo-Cushing's syndrome
  • Cushing disease
  • Cushing syndrome
  • Cushing syndrome myopathy
  • Cushing's syndrome, myopathy
  • Cushings, iatrogenic
  • Cyclical Cushing's syndrome
  • Hypercortisolism
  • Hypercortisolism due to adrenal neoplasm
  • Hypercortisolism due to nonpituitary tumor
  • Hypercortisolism due to pituitary adenoma
  • Hypermelanosis due to Cushing syndrome
  • Iatrogenic Cushing syndrome
  • Iatrogenic Cushing's disease
  • Idiopathic Cushing's syndrome
  • Myopathy due to Cushing's syndrome
  • Myopathy in Cushing's disease
  • Nelson syndrome
  • Paraneoplastic ectopic secretion of ACTH
  • Pituitary dependent hypercortisolism
  • Pituitary-dependent Cushing's disease
  • Pseudo-Cushing syndrome due to alcohol
  • Steroid induced cushing syndrome
255.0 Excludes
  • congenital adrenal hyperplasia (255.2)
Applies To
  • Adrenal hyperplasia due to excess ACTH
  • Cushing's syndrome:
    • NOS
    • iatrogenic
    • idiopathic
    • pituitary-dependent
  • Ectopic ACTH syndrome
  • Iatrogenic syndrome of excess cortisol
  • Overproduction of cortisol
Use Additional
  • Use additional E code to identify cause, if drug-induced
ICD-9-CM Volume 2 Index entries containing back-references to 255.0:
  • Basophilism (corticoadrenal) (Cushing's) (pituitary) (thymic) 255.0
  • Cushing's
    • basophilism, disease, or syndrome (iatrogenic) (idiopathic) (pituitary basophilism) (pituitary dependent) 255.0
  • Cushingoid due to steroid therapy
    • correct substance properly administered 255.0
  • Disease, diseased - see also Syndrome
    • Cushing's (pituitary basophilism) 255.0
  • Ectopic, ectopia (congenital) 759.89
    • ACTH syndrome 255.0
    • secretion
      • ACTH 255.0
      • adrenal hormone 259.3
      • adrenalin 259.3
      • adrenocorticotropin 255.0
      • antidiuretic hormone (ADH) 259.3
      • epinephrine 259.3
      • hormone NEC 259.3
      • norepinephrine 259.3
      • pituitary (posterior) 259.3
  • Hyperplasia, hyperplastic
    • adrenal (capsule) (cortex) (gland) 255.8
      • with
        • sexual precocity (male) 255.2
        • virilism, adrenal 255.2
        • virilization (female) 255.2
      • congenital 255.2
      • due to excess ACTH (ectopic) (pituitary) 255.0
      • medulla 255.8
  • Hypersecretion
    • cortisol 255.0
  • Iatrogenic syndrome of excess cortisol 255.0
  • Inappropriate
    • secretion
      • ACTH 255.0
      • antidiuretic hormone (ADH) (excessive) 253.6
      • ectopic hormone NEC 259.3
      • pituitary (posterior) 253.6
  • Itsenko-Cushing syndrome (pituitary basophilism) 255.0
  • Overproduction - see also Hypersecretion
    • cortisol 255.0
  • Steroid
    • effects (adverse) (iatrogenic)
      • cushingoid
        • correct substance properly administered 255.0
        • overdose or wrong substance given or taken 962.0
      • diabetes - see Diabetes, secondary
        • correct substance properly administered 251.8
        • overdose or wrong substance given or taken 962.0
      • due to
        • correct substance properly administered 255.8
        • overdose or wrong substance given or taken 962.0
      • fever
        • correct substance properly administered 780.60
        • overdose or wrong substance given or taken 962.0
      • withdrawal
        • correct substance properly administered 255.41
        • overdose or wrong substance given or taken 962.0
  • Syndrome - see also Disease
    • Cushing's (iatrogenic) (idiopathic) (pituitary basophilism) (pituitary-dependent) 255.0
      • overdose or wrong substance given or taken 962.0
    • ectopic ACTH secretion 255.0
    • excess cortisol, iatrogenic 255.0
    • Itsenko-Cushing (pituitary basophilism) 255.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 255.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.