ICD-10-CM Code R41.2

Valid for Submission

R41.2 is a billable code used to specify a medical diagnosis of retrograde amnesia. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code R41.2 might also be used to specify conditions or terms like amnesia for remote events or post-traumatic amnesia or retrograde amnesia.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R41.2 are found in the index:

• - Amnesia - R41.3
  • - retrograde - R41.2

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Amnesia for remote events
• Post-traumatic amnesia
• Retrograde amnesia

Clinical Information

• AMNESIA RETROGRADE-. loss of the ability to recall information that had been previously encoded in memory prior to a specified or approximate point in time. this process may be organic or psychogenic in origin. organic forms may be associated with craniocerebral trauma; cerebrovascular accidents; seizures; dementia; and a wide variety of other conditions that impair cerebral function. from adams et al. principles of neurology 6th ed pp426 9

Diagnostic Related Groups

The ICD-10 code R41.2 is grouped in the following groups for version MS-DRG V37.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2019 through 09/30/2020.

• 947 - SIGNS AND SYMPTOMS WITH MCC
• 948 - SIGNS AND SYMPTOMS WITHOUT MCC

Convert R41.2 to ICD-9

• 780.93 - Memory loss (Approximate Flag)

Code Classification

• Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00–R99)
  • Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
    • Oth symptoms and signs w cognitive functions and awareness (R41)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

Tools

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