Specific code 2009 ICD-9-CM Diagnosis Code 186.9
Malignant neoplasm of other and unspecified testis
  • Short description: MALIG NEO TESTIS NEC.
  • ICD-9-CM 186.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 186.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2009 version of ICD-9-CM 186.9.
  • More recent version(s) of ICD-9-CM 186.9: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 186.9 converts approximately to:
  • 2015/16 ICD-10-CM C62.10 Malignant neoplasm of unspecified descended testis
    Or:
  • 2015/16 ICD-10-CM C62.90 Malignant neoplasm of unspecified testis, unspecified whether descended or undescended
Approximate Synonyms
  • Cancer of the testis
  • Cancer of the testis, choriocarcinoma
  • Cancer of the testis, nonseminomatous germ cell
  • Cancer of the testis, seminoma
  • Cancer of the testis, seminoma, stage 1
  • Cancer of the testis, seminoma, stage 2
  • Cancer of the testis, seminoma, stage 3
  • Cancer of the testis, seminoma, stage 4
  • Cancer, descended testis
  • Cancer, left descended testis
  • Cancer, left testis
  • Cancer, right descended testis
  • Cancer, right testis
  • Choriocarcinoma of testis
  • Choriocarcinoma, testis
  • Malignant Leydig cell tumor of testis
  • Malignant lymphoma of testis
  • Malignant teratoma of descended testis
  • Malignant teratoma of testis
  • Malignant tumor of testis
  • Mixed germ cell tumor of testis
  • Mixed germ cell tumor, testis
  • Mixed seminoma teratoma of testis
  • Nonseminomatous germ cell cancer, testis
  • Non-seminomatous germ cell neoplasm of testis
  • Non-seminomatous malignant neoplasm of testis
  • Primary malignant neoplasm of descended testis
  • Primary malignant neoplasm of left descended testis
  • Primary malignant neoplasm of left testis
  • Primary malignant neoplasm of right descended testis
  • Primary malignant neoplasm of right testis
  • Primary malignant neoplasm of testis
  • Regressed malignant testicular tumor
  • Seminoma
  • Seminoma of descended testis
  • Seminoma of testis
  • Seminoma of testis, stage 1
  • Seminoma of testis, stage 2
  • Seminoma of testis, stage 3
  • Seminoma of testis, stage 4
  • Seminoma, testis
  • Seminoma, testis stage 1
  • Seminoma, testis stage 2
  • Seminoma, testis stage 3
  • Seminoma, testis stage 4
  • T3: Testicular tumor invades spermatic cord with or without vascular/lymphatic invasion
  • T4: Testicular tumor invades scrotum with or without vascular/lymphatic invasion
  • Testicular cancer
  • Testicular cancer, descended testis
  • Testicular cancer, L descended testis
  • Testicular cancer, L testis
  • Testicular cancer, left testis
  • Testicular cancer, R descended testis
  • Testicular cancer, R testis
  • Testicular cancer, right testis
  • Testis, mixed germ cell tumor
Applies To
  • Testis:
    • NOS
    • descended
    • scrotal
ICD-9-CM Volume 2 Index entries containing back-references to 186.9:
  • Androblastoma (M8630/1)
    • malignant (M8630/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
  • Arrhenoblastoma (M8630/1)
    • malignant (M8630/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
  • Carcinoma (M8010/3) - see also Neoplasm, by site, malignant
    • chorionic (M9100/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
        • female 181
        • male 186.9
    • Leydig cell (testis) (M8650/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site 186.9
    • Sertoli cell (M8640/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site 186.9
  • Choriocarcinoma (M9100/3)
    • unspecified site
      • female 181
      • male 186.9
  • Dysgerminoma (M9060/3)
    • unspecified site
  • Embryoma (M9080/1) - see also Neoplasm, by site, uncertain behavior
    • malignant (M9080/3) - see also Neoplasm, by site, malignant
      • kidney (M8960/3) 189.0
      • liver (M8970/3) 155.0
      • testis (M9070/3) 186.9
    • testis (M9070/3) 186.9
  • Leydig cell
    • carcinoma (M8650/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
    • tumor (M8650/1)
      • benign (M8650/0)
        • specified site - see Neoplasm, by site, benign
        • unspecified site
      • malignant (M8650/3)
        • specified site - see Neoplasm, by site, malignant
        • unspecified site
      • specified site - see Neoplasm, by site, uncertain behavior
      • unspecified site
  • Orchioblastoma (M9071/3) 186.9
  • Seminoma (M9061/3)
    • anaplastic type (M9062/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site 186.9
    • spermatocytic (M9063/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site 186.9
    • unspecified site 186.9
  • Sertoli cell
    • carcinoma (M8640/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site 186.9
  • Spermatocytoma (M9063/3)
    • unspecified site 186.9
  • Teratoma (solid) (M9080/1) - see also Neoplasm, by site, uncertain behavior
    • malignant (M9080/3) - see also Neoplasm, by site, malignant
      • anaplastic type (M9082/3) - see Neoplasm, by site, malignant
      • intermediate type (M9083/3) - see Neoplasm, by site, malignant
      • liver (M9080/3) 155.0
      • trophoblastic (M9102/3)
        • specified site - see Neoplasm, by site, malignant
        • unspecified site 186.9
      • undifferentiated type (M9082/3) - see Neoplasm, by site, malignant
    • testis (M9080/3) 186.9
      • adult, benign, cystic, differentiated type or mature (M9080/0) 222.0
      • undescended 186.0
  • Tumor (M8000/1) - see also Neoplasm, by site, unspecified nature
    • endodermal sinus (M9071/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
    • Leydig cell (M8650/1)
      • benign (M8650/0)
        • specified site - see Neoplasm, by site, benign
        • unspecified site
      • malignant (M8650/3)
        • specified site - see Neoplasm, by site, malignant
        • unspecified site
      • specified site - see Neoplasm, by site, uncertain behavior
      • unspecified site
    • polyvesicular vitelline (M9071/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
    • yolk sac (M9071/3)
      • specified site - see Neoplasm, by site, malignant
      • unspecified site
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 186.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.