780.79 MALAISE AND FATIGUE NEC

Code Information

Diagnosis Code: 780.79

Short Description: Malaise and fatigue NEC

Long Description: Other malaise and fatigue

Code Classification:

  • Symptoms, signs, and ill-defined conditions (780–799)
    • Symptoms (780-789)
      • 780 General symptoms
        • 780.79 Malaise and fatigue NEC

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 780.79 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abionarce 780.79
  • Asthenia, asthenic 780.79
    • cardiac (see also Failure, heart) 428.9
      • psychogenic 306.2
    • cardiovascular (see also Failure, heart) 428.9
      • psychogenic 306.2
    • heart (see also Failure, heart) 428.9
      • psychogenic 306.2
    • hysterical 300.11
    • myocardial (see also Failure, heart) 428.9
      • psychogenic 306.2
    • nervous 300.5
    • neurocirculatory 306.2
    • neurotic 300.5
    • psychogenic 300.5
    • psychoneurotic 300.5
    • psychophysiologic 300.5
    • reaction, psychoneurotic 300.5
    • senile 797
    • Stiller's 780.79
    • tropical anhidrotic 705.1
  • Bonvale Dam fever 780.79
  • Disease, diseased - see also Syndrome
    • Stiller's (asthenia) 780.79
  • Epstein-Barr infection (viral) 075
    • chronic 780.79 [139.8]
  • Exhaustion, exhaustive (physical NEC) 780.79
    • battle (see also Reaction, stress, acute) 308.9
    • cardiac (see also Failure, heart) 428.9
    • delirium (see also Reaction, stress, acute) 308.9
    • due to
      • cold 991.8
      • excessive exertion 994.5
      • exposure 994.4
      • overexertion 994.5
    • fetus or newborn 779.89
    • heart (see also Failure, heart) 428.9
    • heat 992.5
      • due to
        • salt depletion 992.4
        • water depletion 992.3
    • manic (see also Psychosis, affective) 296.0
      • recurrent episode 296.1
      • single episode 296.0
    • maternal, complicating delivery 669.8
      • affecting fetus or newborn 763.89
    • mental 300.5
    • myocardium, myocardial (see also Failure, heart) 428.9
    • nervous 300.5
    • old age 797
    • postinfectional NEC 780.79
    • psychogenic 300.5
    • psychosis (see also Reaction, stress, acute) 308.9
    • senile 797
      • dementia 290.0
  • Fatigue 780.79
    • auditory deafness (see also Deafness) 389.9
    • chronic, syndrome 780.71
    • combat (see also Reaction, stress, acute) 308.9
    • during pregnancy 646.8
    • general 780.79
      • psychogenic 300.5
    • heat (transient) 992.6
    • muscle 729.89
    • myocardium (see also Failure, heart) 428.9
    • nervous 300.5
    • neurosis 300.5
    • operational 300.89
    • postural 729.89
    • posture 729.89
    • psychogenic (general) 300.5
    • senile 797
    • syndrome NEC 300.5
      • chronic 780.71
    • undue 780.79
    • voice 784.49
  • Fever 780.60
    • Bonvale Dam 780.79
  • Infection, infected, infective (opportunistic) 136.9
    • Epstein-Barr virus 075
      • chronic 780.79 [139.8]
  • Lack of
    • energy 780.79
  • Lassitude (see also Weakness) 780.79
  • Lethargy 780.79
  • Listlessness 780.79
  • Malaise 780.79
  • Neurasthenia 300.5
    • postfebrile 780.79
    • postviral 780.79
  • Overstrained 780.79
    • heart - see Hypertrophy, cardiac
  • Overwork 780.79
  • Posthepatitis syndrome 780.79
  • Postinfluenzal syndrome 780.79
  • Prostration 780.79
    • heat 992.5
      • anhydrotic 992.3
      • due to
        • salt (and water) depletion 992.4
        • water depletion 992.3
    • nervous 300.5
    • newborn 779.89
    • senile 797
  • Stiller's disease (asthenia) 780.79
  • Syndrome - see also Disease
    • posthepatitis 780.79
    • postinfluenza (asthenia) 780.79
    • postviral (asthenia) NEC 780.79
  • Tiredness 780.79
  • Vitality, lack or want of 780.79
    • newborn 779.89
  • Weak, weakness (generalized) 780.79
    • arches (acquired) 734
      • congenital 754.61
    • bladder sphincter 596.59
    • congenital 779.89
    • eye muscle - see Strabismus
    • facial 781.94
    • foot (double) - see Weak, arches
    • heart, cardiac (see also Failure, heart) 428.9
      • congenital 746.9
    • mind 317
    • muscle (generalized) 728.87
    • myocardium (see also Failure, heart) 428.9
    • newborn 779.89
    • pelvic fundus
      • pubocervical tissue 618.81
      • rectovaginal tissue 618.82
    • pulse 785.9
    • senile 797
    • urinary stream 788.62
    • valvular - see Endocarditis
  • Worn out (see also Exhaustion) 780.79
    • artificial heart valve 996.02
    • cardiac defibrillator (with synchronous cardiac pacemaker) V53.32
    • cardiac pacemaker lead or battery V53.31
    • joint prosthesis (see also Complications, mechanical, device NEC, prosthetic NEC, joint) 996.46

Crosswalk Information

The code 780.79 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
780.79 Right Arrow G93.3 Postviral fatigue syndrome
R53.1 Weakness
R53.81 Other malaise
R53.83 Other fatigue
This ICD-9 to ICD-10 data is based on the 2015 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

No. ICD-9 Code ICD-9 Description
1 780.01 Coma
2 780.02 Transient alteration of awareness
3 780.03 Persistent vegetative state
4 780.09 Other alteration of consciousness
5 780.1 Hallucinations
6 780.2 Syncope and collapse
7 780.31 Febrile convulsions (simple), unspecified
8 780.32 Complex febrile convulsions
9 780.33 Post traumatic seizures
10 780.39 Other convulsions
11 780.4 Dizziness and giddiness
12 780.50 Sleep disturbance, unspecified
13 780.51 Insomnia with sleep apnea, unspecified
14 780.52 Insomnia, unspecified
15 780.53 Hypersomnia with sleep apnea, unspecified
16 780.54 Hypersomnia, unspecified
17 780.55 Disruption of 24 hour sleep wake cycle, unspecified
18 780.56 Dysfunctions associated with sleep stages or arousal from sleep
19 780.57 Unspecified sleep apnea
20 780.58 Sleep related movement disorder, unspecified
21 780.59 Other sleep disturbances
22 780.60 Fever, unspecified
23 780.61 Fever presenting with conditions classified elsewhere
24 780.62 Postprocedural fever
25 780.63 Postvaccination fever
26 780.64 Chills (without fever)
27 780.65 Hypothermia not associated with low environmental temperature
28 780.66 Febrile nonhemolytic transfusion reaction
29 780.71 Chronic fatigue syndrome
30 780.72 Functional quadriplegia
31 780.8 Generalized hyperhidrosis
32 780.91 Fussy infant (baby)
33 780.92 Excessive crying of infant (baby)
34 780.93 Memory loss
35 780.94 Early satiety
36 780.95 Excessive crying of child, adolescent, or adult
37 780.96 Generalized pain
38 780.97 Altered mental status
39 780.99 Other general symptoms

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