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Home/Diagnosis/ICD-10 Coding for Abnormal Weight Gain

ICD-10 Coding for Abnormal Weight Gain

R63.5

Complete ICD-10-CM coding and documentation guide for icd-10 coding for abnormal weight gain includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Unexplained Weight Gain
Idiopathic Weight Gain
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Key Information: ICD-10 Coding for Abnormal Weight Gain

Essential facts and insights about ICD-10 Coding for Abnormal Weight Gain

Use ICD-10 code R63.5 for abnormal weight gain, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Abnormal weight gain

Billable Code
R63.5
Billable

Diagnostic Criteria

clinical:
  • • No underlying condition identified after workup
coding:
  • • Excludes obesity and pregnancy-related weight gain
documentation:
  • • Documented weight trajectory and exclusion of normal causes

Applicable To

  • • Unexplained weight gain
  • • Idiopathic weight gain

Important Notes

  • • Ensure documentation specifies the unexplained nature of the weight gain.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z68.35

Body mass index (BMI) 33.0-33.9, adult

Use to document BMI when coding for weight-related conditions.

Frequently Asked Questions

What is the ICD-10 code for abnormal weight gain?

The ICD-10 code for abnormal weight gain is R63.5, used when weight gain is unexplained and not due to obesity or pregnancy.

When should R63.5 be used?

Use R63.5 when weight gain is unexplained, excluding obesity and pregnancy-related causes, and document the weight trajectory and exclusion of normal causes.

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