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E29.1

✓ Billable

Testicular hypofunction

Endocrine, nutritional and metabolic diseases (E00-E89)

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Also Known As

Defective biosynthesis of testicular androgen NOS5-delta-Reductase deficiency (with male pseudohermaphroditism)Testicular hypogonadism NOS

📋 Code Instructions

  • • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

❌ Excludes1

direct

Cannot be coded with E29.1

  • • postprocedural testicular hypofunction (E89.5)

❌ Excludes1

inherited from E29

Rules from parent category E29: Testicular dysfunction

  • • androgen insensitivity syndrome (E34.5-)
  • • azoospermia or oligospermia NOS (N46.0-N46.1)
  • • isolated gonadotropin deficiency (E23.0)
  • • Klinefelter's syndrome (Q98.0-Q98.1, Q98.4)

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Code Information

CodeE29.1
BillableYes
ParentE29
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes15 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)