E34.328 Other genetic causes of short stature

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Other genetic causes of short stature is E34.328 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
E20-E35: Disorders of other endocrine glands (E20-E35)
Category E34
23 codes (18 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to E34.328:

  • Dwarfism
  • Dwarfism › infantile
  • Dwarfism › congenital
  • Deficiency, deficient › short stature homeobox gene (SHOX) › with › short stature (idiopathic)
  • Short, shortening, shortness › stature (child) (hereditary) (idiopathic) NEC › due to › genetic causes › NPR-2 gene variant
  • Short, shortening, shortness › stature (child) (hereditary) (idiopathic) NEC › due to › genetic causes › specified genetic cause NEC
  • Short, shortening, shortness › stature (child) (hereditary) (idiopathic) NEC › due to › genetic causes › aggrecan deficiency
  • Short, shortening, shortness › stature (child) (hereditary) (idiopathic) NEC › due to › genetic causes › ACAN gene variant

Inclusion Terms

  • Short stature due to ACAN gene variant
  • Short stature due to aggrecan deficiency
  • Short stature due to NPR-2 gene variant

U.S. Hospital Utilization

  • An estimated 1,185 U.S. inpatient stays in 2023 included E34.328 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.a
Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

E34 Other endocrine disorders

Related Codes in E34

E34 Other endocrine disorders E34.0 Carcinoid syndrome E34.00 Carcinoid syndrome, unspecified E34.01 Carcinoid heart syndrome E34.09 Other carcinoid syndrome E34.1 Other hypersecretion of intestinal hormones E34.2 Ectopic hormone secretion, not elsewhere classified E34.3 Short stature due to endocrine disorder E34.30 Short stature due to endocrine disorder, unspecified E34.31 Constitutional short stature E34.32 Genetic causes of short stature E34.321 Primary insulin-like growth factor-1 (IGF-1) deficiency E34.322 Insulin-like growth factor-1 (IGF-1) resistance E34.329 Unspecified genetic causes of short stature E34.39 Other short stature due to endocrine disorder E34.4 Constitutional tall stature E34.5 Androgen insensitivity syndrome E34.50 Androgen insensitivity syndrome, unspecified E34.51 Complete androgen insensitivity syndrome E34.52 Partial androgen insensitivity syndrome
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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