ICD-10-CM > E00-E89 > E20-E35 > E29 E29 Testicular dysfunction Non-Billable/Non-Specific Type 1 Excludes 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) Codes E29.0Testicular hyperfunctionE29.1Testicular hypofunctionE29.8Other testicular dysfunctionE29.9Testicular dysfunction, unspecified