E20 — Hypoparathyroidism
Is E20 billable?
No — E20 is a non-billable header code. E20 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 9 billable codes beneath E20.
Billable codes under this header
- E20.0Idiopathic hypoparathyroidism
- E20.1Pseudohypoparathyroidism
- E20.9Hypoparathyroidism, unspecified
- E20.89Other specified hypoparathyroidism
- E20.810Autosomal dominant hypocalcemia
- E20.811Secondary hypoparathyroidism in diseases classified elsewhere
- E20.812Autoimmune hypoparathyroidism
- E20.818Other specified hypoparathyroidism due to impaired parathyroid hormone secretion
- E20.819Hypoparathyroidism due to impaired parathyroid hormone secretion, unspecified
E20 at a glance
| Code | E20 |
|---|---|
| Description | Hypoparathyroidism |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with E20 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E20 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Excludes1 — never code together — inherited from E20-E35
The conditions below can never be reported together with E20 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under E20? (4)
How long has E20 existed?
E20 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with E20?
ICD-10-CM declares these codes mutually exclusive with E20 — exactly one of each pair can be correct for a given encounter.