Specific code 2010 ICD-9-CM Diagnosis Code 199.1
Other malignant neoplasm of unspecified site
  • Short description: Malignant neoplasm NOS.
  • ICD-9-CM 199.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 199.1 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 2010 version of ICD-9-CM 199.1.
  • More recent version(s) of ICD-9-CM 199.1: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 199.1 converts approximately to:
  • 2015/16 ICD-10-CM C80.1 Malignant (primary) neoplasm, unspecified
Approximate Synonyms
  • Adenocarcinoma
  • Adenocarcinoma in adenomatous polyp
  • Adenocarcinoma in villous adenoma
  • Adenocarcinoma metastatic to unspecified site
  • Arthritis secondary to malignancy
  • Basal cell carcinoma - first recurrence
  • Basal cell carcinoma - multiple recurrences
  • Basal cell carcinoma - second recurrence
  • Basal cell carcinoma - third recurrence
  • Basal cell carcinoma with monster cells
  • Basal cell carcinoma with signet ring change
  • CA, metastatic
  • Cancer
  • Cancer confirmed
  • Cancer in childbirth
  • Cancer in pregnancy
  • Cancer metastatic to bone
  • Cancer metastatic to cerebral meninges
  • Cancer of the prostate with metastasis
  • Cancer of unknown primary
  • Cancer, adenocarcinoma
  • Cancer, adenocarcinoma in adenomatous polyp
  • Cancer, adenocarcinoma in villous adenoma
  • Cancer, germ cell
  • Cancer, mesothelioma
  • Cancer, metastatic
  • Cancer, small cell
  • Cancer, undifferentiated large cell
  • Cancer, unknown primary site
  • Dilated cardiomyopathy due to malignancy
  • Dilated cardiomyopathy secondary to malignancy
  • Dilated cardiomyopathy, due to malignancy
  • Eaton Lambert syndrome
  • Eaton-Lambert syndrome (disorder)
  • Erythema multiforme due to malignancy
  • Extraprostatic extension of tumor present, focal
  • Fracture of bone in neoplastic disease
  • Germ cell cancer
  • Hormone receptor positive tumor
  • Human immunodeficiency virus disease resulting in multiple malignant neoplasms
  • Human immunodeficiency virus with secondary cancers
  • Hypermelanosis due to malignant ACTH/MSH-secreting tumor
  • Invasion of neoplasm to visceral peritoneum
  • Malignant adenomatous neoplasm
  • Malignant adenomatous neoplasm in villous adenoma
  • Malignant carcinoid tumor
  • Malignant mesothelioma
  • Malignant neoplasm
  • Malignant neoplasm associated with AIDS
  • Malignant neoplastic disease
  • Malignant neoplastic disease in pregnancy
  • Malignant neoplastic disease postpartum
  • Malignant tumor involving an organ by direct extension from bladder
  • Malignant tumor involving an organ by direct extension from endometrium
  • Malignant tumor involving an organ by direct extension from fallopian tube
  • Malignant tumor involving an organ by direct extension from ovary
  • Malignant tumor involving an organ by direct extension from prostate
  • Malignant tumor involving an organ by direct extension from uterine cervix
  • Malignant tumor involving an organ by direct extension from uterus
  • Malignant tumor involving an organ by direct extension from vagina
  • Malignant tumor involving an organ by separate metastasis from bladder
  • Malignant tumor involving an organ by separate metastasis from endometrium
  • Malignant tumor involving an organ by separate metastasis from fallopian tube
  • Malignant tumor involving an organ by separate metastasis from ovary
  • Malignant tumor involving an organ by separate metastasis from prostate
  • Malignant tumor involving an organ by separate metastasis from uterine cervix
  • Malignant tumor involving an organ by separate metastasis from uterus
  • Malignant tumor involving an organ by separate metastasis from vagina
  • Malignant tumor of ill-defined site
  • Malignant tumor of unknown origin
  • Malignant tumor of unknown origin or ill-defined site
  • Melanoma metastatic to unspecified site
  • Melanoma, metastatic
  • Mesothelioma
  • Mesothelioma (malignant, clinical disorder)
  • Metastasis from malignant melanoma of skin
  • Metastasis from malignant tumor of adrenal gland
  • Metastasis from malignant tumor of bladder
  • Metastasis from malignant tumor of bone
  • Metastasis from malignant tumor of breast
  • Metastasis from malignant tumor of bronchus
  • Metastasis from malignant tumor of buccal cavity
  • Metastasis from malignant tumor of cervix
  • Metastasis from malignant tumor of colon
  • Metastasis from malignant tumor of esophagus
  • Metastasis from malignant tumor of gallbladder
  • Metastasis from malignant tumor of kidney
  • Metastasis from malignant tumor of liver
  • Metastasis from malignant tumor of lung
  • Metastasis from malignant tumor of pancreas
  • Metastasis from malignant tumor of prostate
  • Metastasis from malignant tumor of rectum
  • Metastasis from malignant tumor of skin
  • Metastasis from malignant tumor of soft tissues
  • Metastasis from malignant tumor of stomach
  • Metastasis from malignant tumor of thyroid
  • Metastasis from malignant tumor of tongue
  • Metastasis from malignant tumor of uterus
  • Metastasis to adrenal gland of unknown primary
  • Metastasis to bladder of unknown primary
  • Metastasis to bone of unknown primary
  • Metastasis to brain of unknown primary
  • Metastasis to breast of unknown primary
  • Metastasis to bronchus of unknown primary
  • Metastasis to colon of unknown primary
  • Metastasis to eye of unknown primary
  • Metastasis to heart of unknown primary
  • Metastasis to kidney of unknown primary
  • Metastasis to large intestine of unknown primary
  • Metastasis to liver of unknown primary
  • Metastasis to lung of unknown primary
  • Metastasis to lymph node of unknown primary
  • Metastasis to mediastinum of unknown primary
  • Metastasis to multiple lymph nodes
  • Metastasis to ovary of unknown primary
  • Metastasis to pancreas of unknown primary
  • Metastasis to peritoneum of unknown primary
  • Metastasis to pleura of unknown primary
  • Metastasis to rectum of unknown primary
  • Metastasis to retroperitoneum of unknown primary
  • Metastasis to skin of unknown primary
  • Metastasis to small intestine of unknown primary
  • Metastasis to soft tissue of unknown primary
  • Metastasis to spleen of unknown primary
  • Metastasis to thymus of unknown primary
  • Metastasis to trachea of unknown primary
  • Metastasis to uterus of unknown primary
  • Metastasis to vagina of unknown primary
  • Metastasis to vertebral column of unknown primary
  • Metastatic adenocarcinoma of unknown origin
  • Metastatic malignant melanoma
  • Metastatic malignant neoplasm to apex of urinary bladder
  • Metastatic malignant neoplasm to dome of urinary bladder
  • Metastatic malignant neoplasm to lateral axillary lymph nodes
  • Metastatic malignant neoplasm to nasopharynx
  • Metastatic prostate cancer
  • Metastatic squamous cell carcinoma
  • Mucinous adenocarcinoma cells present, comprising less than 50% of malignant cells
  • Muir Torre syndrome w benign sebaceous neoplasm
  • Muir Torre syndrome w malignant sebaceous neoplasm
  • Muir Torre syndrome w sebaceous benign neoplasm
  • Muir Torre syndrome w sebaceous cancer
  • Myelopathy due to malignancy
  • Myelopathy due to malignant neoplastic disease
  • Myelopathy in cancer
  • Myelopathy in malignant neoplasm
  • Neoplastic pleural effusion
  • Oxyphilic adenocarcinoma
  • Pain from metastases
  • Panniculitis secondary to malignancy
  • Paraneoplastic sensorimotor neuropathy
  • Pericarditis secondary to malignant primary tumor
  • Peripheral primitive neuroectodermal tumor
  • Pleural effusion due to malignancy
  • Polymyositis with malignant disease
  • Postpartum cancer
  • Postpartum cancer (after childbirth)
  • Primary malignant germ cell tumor
  • Primary malignant neoplasm
  • Primary malignant neoplasm of unknown site
  • Primary malignant neoplasm of unspecified site (clinical)
  • Primary malignant neoplasm of unspecified site (disorder)
  • Primitive neuroectodermal tumor (PNET)
  • Primitive non central nervous system neuroectodermal tumor
  • Primitive non CNS neuroectodermal tumor
  • Renal involvement in malignant disease
  • Restrictive cardiomyopathy due to malignancy
  • Restrictive cardiomyopathy secondary to malignancy
  • Restrictive cardiomyopathy, due to malignancy
  • Secondary adenocarcinoma
  • Secondary malignant neoplasm of bone
  • Secondary malignant neoplasm of cerebral meninges
  • Secondary malignant neoplasm of submaxillary gland
  • Secondary malignant neoplastic disease
  • Secondary small cell carcinoma of unspecified site
  • Signet ring squamous cell carcinoma
  • Signet-ring cells present, comprising less that 50% of malignant cells
  • Small cell carcinoma
  • Small cell carcinoma (morphologic abnormality)
  • Small cell carcinoma metastatic to unspecified site
  • Spindle cell squamous cell carcinoma
  • Surgical deep margin is closest uninvolved margin to ductal carcinoma in situ
  • Surgical deep margin is closest uninvolved margin to malignant neoplasm
  • Surgical lateral margin is closest uninvolved margin to ductal carcinoma in situ
  • Surgical medial margin involved by malignant neoplasm
  • Surgical medial margin is closest uninvolved margin to ductal carcinoma in situ
  • Surgical superior margin involved by malignant neoplasm
  • Thrombophilia due to malignant neoplasm
  • Thyroid cancer metastatic to unspecified site
  • Torr�-Muir syndrome with benign sebaceous neoplasm
  • Torr�-Muir syndrome with malignant sebaceous neoplasm
  • Trichilemmal carcinoma
  • Tumor metastatic to bone
  • Undifferentiated large cell cancer
  • Undifferentiated large cell primary malignant neoplasm
  • Verrucous squamous cell carcinoma
  • Widespread metastatic malignant neoplastic disease
Applies To
  • Cancer unspecified site (primary) (secondary)
  • Carcinoma unspecified site (primary) (secondary)
  • Malignancy unspecified site (primary) (secondary)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 199.1 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.