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2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Symptoms, Signs, And Ill-Defined Conditions 780-799 > Ill-Defined And Unknown Causes Of Morbidity And Mortality 797-799 > Other Ill-Defined And Unknown Causes Of Morbidity And Mortality 799.* >

2007 ICD-9-CM Diagnosis 799.9

Other unknown and unspecified cause of morbidity or mortality

 On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.

The 2009 version of ICD-9-CM 799.9 can be accessed here.

  • 799.9 is a specific code that can be used to specify a diagnosis
  • 799.9 contains 12 index entries
  • View the ICD-9-CM Volume 1 799.* hierarchy

799.9 also known as:

  • Undiagnosed disease, not specified as to site or system involved
  • Unknown cause of morbidity or mortality

Index entries containing 799.9:

Cause
  • not stated 799.9
  • unknown 799.9
Diagnosis deferred 799.9
Disease, diseased - see also Syndrome
  • undiagnosed 799.9
No
  • diagnosis 799.9
Sick 799.9Surgical
  • operation NEC 799.9
Undetermined diagnosis or cause 799.9
Undiagnosed (disease) 799.9
Unknown
  • cause of death 799.9
  • diagnosis 799.9
Unspecified cause of death 799.9