Valid for Submission
P91.819 is a billable diagnosis code used to specify a medical diagnosis of neonatal encephalopathy, unspecified. The code P91.819 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code P91.819 might also be used to specify conditions or terms like encephalopathy, intracerebral calcification, retinal degeneration syndrome, epileptic encephalopathy with global cerebral demyelination, myoclonic epilepsy in non-progressive encephalopathy, neonatal encephalopathy, scn2a encephalopathy , scn8a-related epilepsy with encephalopathy, etc. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
Unspecified diagnosis codes like P91.819 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
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 P91.819 are found in the index:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Encephalopathy, intracerebral calcification, retinal degeneration syndrome
- Epileptic encephalopathy with global cerebral demyelination
- Myoclonic epilepsy in non-progressive encephalopathy
- Neonatal encephalopathy
- SCN2A encephalopathy
- SCN8A-related epilepsy with encephalopathy
- Severe neonatal onset encephalopathy with microcephaly
Present on Admission (POA)
P91819 replaces the following previously assigned ICD-10 code(s):
Convert P91.819 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code P91.819 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.