R53.82
Billable

Chronic fatigue, unspecified

Billable / Specific Code

What is Chronic fatigue, unspecified?

ICD-10-CM R53.82 is the diagnosis code for Chronic fatigue, unspecified. This code falls under the section "General symptoms and signs" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for R53.82

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as R53.82. They are mutually exclusive:

  • chronic fatigue syndrome (G93.32)
  • myalgic encephalomyelitis (G93.32)
  • other post infection and related fatigue syndromes (G93.39)
  • postviral fatigue syndrome (G93.31)

ICD-10-CM Code Hierarchy

Understanding where R53.82 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is R53.82 a billable ICD-10-CM code?

Yes, R53.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does R53.82 mean?

R53.82 is the ICD-10-CM diagnosis code for "Chronic fatigue, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of R53.82?

The parent code of R53.82 is R53.8 ("Other malaise and fatigue"). R53.82 provides a more specific classification within this category.

What section is R53.82 in?

R53.82 is located in Section R50-R69 — "General symptoms and signs" within Chapter 18 of the ICD-10-CM Tabular List.

When should I use R53.82?

Use R53.82 when the patients documented diagnosis matches "Chronic fatigue, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Chronic fatigue, unspecified?

The ICD-10-CM code for Chronic fatigue, unspecified is R53.82.

Can R53.82 be used for primary diagnosis?

Yes, R53.82 can be used as a primary diagnosis code since it is billable and specific.

What chapter is R53.82 in?

R53.82 is in Chapter 18 of the ICD-10-CM Tabular List.

What conditions are excluded from R53.82?

Type 1 Excludes for R53.82 include: chronic fatigue syndrome (G93.32); myalgic encephalomyelitis (G93.32); other post infection and related fatigue syndromes (G93.39) and more.

Is R53.82 valid for 2026?

Yes, R53.82 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousR53.81Other malaiseNext →R53.83Other fatigue
Code Details
R53.82
Chronic fatigue, unspecified
Billable / Specific Code
18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R50-R69 — General symptoms and signs
2026 ICD-10-CM