Chronic kidney/renal disease, NOS (stage unspecified)
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ICD10 Diagnosis | |
Dx: | Chronic kidney/renal disease, NOS (stage unspecified) |
ICD10 code: | N18.9 |
Pre-ICD10 counterpart: | Renal insufficiency-mild (creatinine 160-240 mmol), Renal Insufficiency-moderate (Cr greater than 240) |
Charlson/ALERT Scale: | Renal disease |
APACHE Como Component: | none |
APACHE Acute Component: | 2019-0: Metabolic/Renal NOS, 2019-0: Renal/Metabolic NOS |
Start Date: | |
Stop Date: | |
External ICD10 Documentation |
This diagnosis is a part of ICD10 collection.
Additional Info
See ICD10 Guideline for Renal Coding#About Coding Chronic Kidney Disease (CKD)
- If stage not specified, and a baseline creatinine is available, you can calculate the GFR to get the actual stage.
To calculate the GFR, use this easy website calculator: https://www.mdcalc.com/mdrd-gfr-equation
- It requires age, sex, race (black vs. white) and creatinine:
- Unless you know otherwise, use "white" race as default
- Use the most recent, stable, PRE-HOSPITAL creatinine value available
- When no creatinine clearance is listed, but the patient is a known dialysis patient then code Chronic kidney disease (end-stage renal/kidney disease, ESRD), Stage 5, GFR LT 15
- For all other CKD patients, i.e. those in whom we cannot easily identify the Stage, we’ll use Chronic kidney/renal disease, NOS (stage unspecified).
Alternate ICD10s to consider coding instead or in addition
Candidate Combined ICD10 codes
Related CCI Codes
Data Integrity Checks (automatic list)
App | Status | |
---|---|---|
Query check ICD10 only 1 stage of renal failure | CCMDB.accdb | implemented |
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