ICD-10-CM Diagnosis code F54

Psychological and behavioral factors associated with disorders or diseases classified elsewhere

Code Hierarchy

Code Details

Body System Mental disorders
Chronic Condition Yes

Coding Guidelines for F54

F54 is a valid ICD-10-CM diagnosis code meaning 'Psychological and behavioral factors associated with disorders or diseases classified elsewhere'.

It is also suitable for:

  • Psychological factors affecting physical conditions

Separate Conditions Not Covered By F54

These conditions are is not covered by F54:

  • tension-type headache (G44.2)

A patient may have both conditions at the same time, but both conditions must be coded separately.

Must Code Etiology Before Coding F54

Some conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation.

F54 is a manifestation code. For it to be valid, one of the following etiology codes must also be coded first:

  • the associated physical disorder, such as:
  • asthma (J45.-)
  • dermatitis (L23-L25)
  • gastric ulcer (K25.-)
  • mucous colitis (K58.-)
  • ulcerative colitis (K51.-)
  • urticaria (L50.-)

Complications & Comorbid Conditions (CC/MCC) Rules for F54

F54 is not a CC or MCC.

DRG Mapping Rules for F54

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 F54, 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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