Hypernatremia / hyperosmolarity, severe or symptomatic
|Dx:||Hypernatremia / hyperosmolarity, severe or symptomatic|
|Pre-ICD10 counterpart:||Hypernatremia NA Greater Than 160|
|APACHE Como Component:||none|
|APACHE Acute Component:||2019-0: Metabolic/Renal NOS, 2019-0: Renal/Metabolic NOS|
|External ICD10 Documentation|
This diagnosis is a part of ICD10 collection.
If this happens repeatedly during the same ward or unit stay, only code it the first time it happens, regardless of whether it is an Admit Diagnosis or Acquired Diagnosis, rather than each time it happens. See ICD10 codes only coded the first time for other diagnoses coded this way.
- The parameters for coding hypernatremia are any of the following 3 items: (This change is active as of Feb 12, 2018)
- Na+ > 160 OR
- Any Na+ > 145 AND in the presence of signs or symptoms believed to be due to hypernatremia OR
- Any Na+ > 145 with active treatment for hypernatremia
- Main signs and symptoms of hypernatremia are:
- CNS - confusion, restlessness, lethargy, irritability, muscle twitching, hyperreflexia, tremulousness, ataxia, spasticity, seizures, coma
Altered mental status coding guideline
Coding altered mental status in ICD10 can be complex, see ICD10 Guideline for coding altered mental status for more info.
Alternate ICD10s to consider coding instead or in addition
- Disorder of mineral metabolism, NOS
- Diabetes insipidus, neurogenic/central (DI)
- Psychiatric drug NOS, overdose/toxicity
- Diarrhea, noninfectious NOS
Candidate Combined ICD10 codes
Related CCI Codes
Data Integrity Checks (automatic list)