ICD-10: ME, CFS

Part Three

US “Clinical Modification” ICD-10-CM

ICD-10-CM, a “Clinical Modification” of ICD-10, was implemented on October 1, 2015.

In ICD-10-CM Chronic fatigue syndrome is classified under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) at R53.82

For a history of the coding of PVFS, ME and CFS in ICD to March 2001, see the CDC document:

A Summary of Chronic Fatigue Syndrome and Its Classification in the International Classification of Diseases
Prepared by the Centers for Disease Control and Prevention, National Center for Health Statistics, Office of the Center Director, Data Policy and Standards, CDC archive document, March 2001.

Classifications and codings for ICD-10-CM:

ICD-10-CM TABULAR LIST of DISEASES and INJURIES

CHAPTER 18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.

[…]  See document for full text

Note: This is not the ICD-10-CM Mental and Behavioural chapter which is:

CHAPTER 5

Mental and behavioral disorders (F01-F99)

Includes: disorders of psychological development

Excludes2: symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

ICD-10-CM CHAPTER 18

Tabular List of Diseases and Injuries   Page 954   2012 Release

R53 Malaise and fatigue

[…]

R53.8 Other malaise and fatigue

Excludes1: combat exhaustion and fatigue (F43.0)

                    congenital debility (P96.9)

exhaustion and fatigue due to:

depressive episode (F32.-)

excessive exertion (T73.3)

exposure (T73.2)

heat (T67.-)

pregnancy (O26.8-)

recurrent depressive episode (F33)

senile debility (R54)

R53.81 Other malaise

            Chronic debility

                    Debility NOS

General physical deterioration

Malaise NOS

Nervous debility

                    Excludes1: age-related physical debility (R54)

R53.82 Chronic fatigue, unspecified

     Chronic fatigue syndrome NOS

                    Excludes1: postviral fatigue syndrome (G93.3)

R53.83 Other fatigue

     Fatigue NOS

                    Lack of energy

Lethargy

Tiredness

ICD-10-CM CHAPTER 6 Page 271   2012 release

Diseases of the nervous system (G00-G99)

Excludes2:

[…]

symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

G93 Other disorders of brain

[…]

G93.3 Postviral fatigue syndrome

   Benign myalgic encephalomyelitis

          Excludes1: chronic fatigue syndrome NOS (R53.82)

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