CKD Stages
AKI
LABS
100

LESS THAN 15, this is chronic and ESRD 

stage 5 of CKD 

100

kidneys barley work. less than 400 mL of urine, fluid overload, and high potassium. This can last days-weeks 

oliguric 

100

Elevated in hepatitis or cirrhosis WHAT ARE THE VALUES 

AST: 0-35, ALT 4-36 

200

GFR 60-89 mild decrease in GFR 

stage 2 of CKD 

200

KIDNEYS GET INJURED, URINE STARTS TO DROP. This lasts hours-days

Initiation phase/stage of AKI

200

Elevated with liver damage whats the range 

ALP 30-120 

300

30-59 GFR mild decrease in GFR 

stage 3 of CKD 

300

Good morning kidneys! Lots of pee, can cause low electrolytes and dehydration. Lasts 2-6 hours. kidneys are starting to recover. 

diuretic phase/stage of AKI 

300

Decreased in liver damage whats the range 

albumin 3.5-5

400

15-29 GFR severe decrease in GFR 

stage 4 of CKD

400

Kidneys heal, urine output is back to normal. Can take 3-12 months to heal 

recovery phase/stage of AKI

400

elevated in pancreatitis what is the range 

Amylase: 30-220, Lipase 0-160

500
GFR is greater than 90 light kidney damage with normal GFR 

stage 1 

500

What are the causes of AKI? explain each one. 

Pre-renal: dehydration, injury, hemmorhage, heart failure. Meds can cause vasodialtion or anaphalaxis. Intra-renal: damage to kidney tissue (lack of O2)

Post-renal: decreased blood flow to kidneys, tumors, BPH, blood clots, -calculi, strictures 

500

Elevated in liver disease whats the range 

ammonia: 10-80