ICD-10-CM › E00-E89 › E20-E35 › E20 Hypoparathyroidism › E20.9
Hypoparathyroidism, unspecified
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Hypoparathyroidism, unspecified
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from E20 Hypoparathyroidism
Excludes1 - never coded here
- Di George's syndrome (D82.1)
- postprocedural hypoparathyroidism (E89.2)
- tetany NOS (R29.0)
- transitory neonatal hypoparathyroidism (P71.4)
Inherited from the E20-E35 section Disorders of other endocrine glands (E20-E35)
Excludes1 - never coded here
- galactorrhea (N64.3)
- gynecomastia (N62)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Deficit
- Cataracta
- Avitaminosis
- Spasmophilia
- Hypovitaminosis
- Carpopedal spasm
- Intumescence, lens
- Vitamin deficiency
- Leukoencephalopathy
- Deprivation > vitamins
- Opacity, opacities > lens
- Disorder > lens > cataract
- Deficiency, deficient > factor
- Defect, defective > coagulation
- Deficiency, deficient > clotting
- Degeneration, degenerative > lens
- Disturbance > absorption > vitamin
- Encephalopathy > in > lack of vitamin
- Spasm, spastic, spasticity > carpopedal
- Deficiency, deficient > clotting factor NEC
- Deficiency, deficient > coagulation NOS > clotting factor NEC
- Hypoparathyroidism
- Parathyroid tetany
- Tetany > parathyroid
- Cataract > in > hypoparathyroidism
- Myopathy > in > hypoparathyroidism
- Deficiency, deficient > parathyroid
- Insufficiency, insufficient > parathyroid
Codes in the same group
| Code | Description | Status |
|---|---|---|
| E20.0 | Idiopathic hypoparathyroidism | Valid |
| E20.1 | Pseudohypoparathyroidism | Valid |
| E20.8 | Other hypoparathyroidism | Not billable |