AutoICD API

E21.1

Billable

Secondary hyperparathyroidism, not elsewhere classified

Secondary hyperparathyroidism, not elsewhere classified

Status

Billable / Specific

Block

E20-E35

Parent Code

E21

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
  • galactorrhea (N64.3)
  • gynecomastia (N62)
  • adult osteomalacia (M83.-)
  • ectopic hyperparathyroidism (E34.2)
  • hungry bone syndrome (E83.81)
  • infantile and juvenile osteomalacia (E55.0)
  • secondary hyperparathyroidism of renal origin (N25.81)

Excludes 2

Conditions not included here, but the patient may have both

  • familial hypocalciuric hypercalcemia (E83.52)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code E21.1?

ICD-10-CM code E21.1 represents "Secondary hyperparathyroidism, not elsewhere classified". It is a billable/specific code that can be used on a claim.

Is E21.1 a billable code?

Yes, E21.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is E21.1 in?

E21.1 is in Chapter 4: Endocrine, Nutritional and Metabolic Diseases (codes E00-E89).

What codes cannot be used with E21.1?

E21.1 has Excludes1 notes indicating codes that cannot be used together with it, including: transitory endocrine and metabolic disorders specific to newborn (P70-P74); galactorrhea (N64.3); gynecomastia (N62); and 5 more.

What SNOMED CT codes does E21.1 map to?

E21.1 maps to 4 SNOMED CT concepts: 47445009, 78625002, 91478007, 89471000119102. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for E21.1?

E21.1 is linked to 1 UMLS Concept Unique Identifier: C0494305. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.