ICD-10-CM Diagnosis code G35

Multiple sclerosis

Code Details

Body System Diseases of the nervous system and sense organs
Chronic Condition Yes

Coding Guidelines for G35

G35 is a valid ICD-10-CM diagnosis code meaning 'Multiple sclerosis'.

It is also suitable for:

  • Disseminated multiple sclerosis
  • Generalized multiple sclerosis
  • Multiple sclerosis NOS
  • Multiple sclerosis of brain stem
  • Multiple sclerosis of cord

Complications & Comorbid Conditions (CC/MCC) Rules for G35

G35 is not a CC or MCC.

DRG Mapping Rules for G35

Diagnostic codes are the first step in the DRG mapping process.

The patient's primary diagnostic code is the most important. Assuming the patient's primary diagnostic code is G35, look in the list below to see which MDC's "Assignment of Diagnosis Codes" is first. That is the MDC that the patient will be grouped into.

From there, check the subsections of the MDC listed. The patient will be mapped into the first subsection for which the treatment performed on the patient meet the listed requirements of that subsection.

DRG grouping rules are adjusted each year, so make sure to check the rules for the fiscal year of the patient's discharge date.

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