799.9 UNKN CAUSE MORB/MORT NEC

Code Information

Diagnosis Code: 799.9

Short Description: Unkn cause morb/mort NEC

Long Description: Other unknown and unspecified cause of morbidity and mortality

Code Classification:

  • Symptoms, signs, and ill-defined conditions (780–799)
    • Ill-defined and unknown causes of morbidity and mortality (797-799)
      • 799 Other ill-defined and unknown causes of morbidity and mortality
        • 799.9 Unkn cause morb/mort NEC

Code Version: 2015 ICD-9-CM

Synonyms

  • Accidental death in home
  • Accidental death in public place
  • Chronic disease present
  • Chronic sick
  • Death by cremation
  • Death by electrocution
  • Death by fire
  • Death by immolation
  • Death from any obstetric cause occurring more than 42 days but less than one year after delivery
  • Death from overwork
  • Death of unknown cause
  • Deferred diagnosis on Axis II
  • Determination of outcome, death avoidable, chart audit required
  • Determination of outcome, death avoidable, error in judgement
  • Died without sign of disease
  • Disease
  • Disinterment for establishment of cause of death
  • Effect of drug maladministration
  • Functional disorder present, condition terminal
  • Iatrogenic death
  • Iatrogenic disorder
  • Multiple organ failure
  • Natural death
  • Natural death with probable cause suspected
  • Natural death with proved cause
  • Natural death with proved cause by autopsy
  • Natural death with proved cause without autopsy
  • Natural death with unknown cause
  • On examination - dead
  • On examination - dead - expected
  • On examination - dead - suspicious death
  • On examination - dead - unexpected
  • Patient died in general practice premises
  • Sequelae of disorders
  • Single organ dysfunction
  • Traffic vehicular accidental death
  • Undetermined manner of death, accidental cause suspected
  • Undetermined manner of death, accidental means suspected
  • Undetermined manner of death, homicide suspected
  • Undetermined manner of death, natural causes suspected
  • Undetermined manner of death, suicide suspected

References to Index of Diseases and Injuries

The code 799.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • 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 799.9
    • cilia syndrome 759.89
    • or handicapped person in family V61.49
  • Surgical
    • 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

Crosswalk Information

The code 799.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
799.9 Right Arrow R69 Illness, unspecified
R99 Ill-defined and unknown cause of mortality
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
799.01 Asphyxia
799.02 Hypoxemia
799.1 Respiratory arrest
799.21 Nervousness
799.22 Irritability
799.23 Impulsiveness
799.24 Emotional lability
799.25 Demoralization and apathy
799.29 Other signs and symptoms involving emotional state
799.3 Debility, unspecified
799.4 Cachexia
799.51 Attention or concentration deficit
799.52 Cognitive communication deficit
799.53 Visuospatial deficit
799.54 Psychomotor deficit
799.55 Frontal lobe and executive function deficit
799.59 Other signs and symptoms involving cognition
799.81 Decreased libido
799.82 Apparent life threatening event in infant
799.89 Other ill-defined conditions

This page was last updated on: 10/1/2014