L19: CKD staging

Question 1

Stage G1 CKD

Answer 1

Kidney damage with normal or increased GFR >90

Question 2

Stage G2 CKD

Answer 2

Kidney damage with mildly decreased GFR=60-89

Question 3

Stage G3A CKD

Answer 3

Mildly-moderately decreased GFR=45-59

Question 4

Stage G3B CKD

Answer 4

Moderately-severely decreased GFR=30-44

Question 5

Stage G4 CKD

Answer 5

Severely decreased GFR=15-29

Question 6

Stage G5 CKD

Answer 6

Kidney failure, GFR <15

Question 7

Stage G5D CKD

Answer 7

Kidney failure with dialysis

Question 8

For stages 1 and 2 of CKD, since GFR is normal, how is it diagnosed?

Answer 8

Evidence of albuminuria

Question 9

Hallmark of progressive kidney disease

Answer 9

Declining GFR

Question 10

Stage A1 albuminuria

Answer 10

Normal to mildly increased

ACR<30, negative to trace protein dipstick

Question 11

Stage A2 albuminuria

Answer 11

Moderately increased

ACR=30-300, protein dipstick trace to +1

Question 12

Stage A3 albuminuria

Answer 12

Severely increased

ACR>300, protein dipstick >1+

Question 13

Risk level: G4 or G5

Answer 13

red: very high risk regardless of albuminuria

Question 14

Risk level: G3b+A1

Answer 14

orange: high risk

Question 15

Risk level: G3b+A2 or A3

Answer 15

red: very high risk

Question 16

Risk level: G3a +A1

Answer 16

yellow: moderately increased risk

Question 17

Risk level: G3a +A3

Answer 17

orange: high risk

Question 18

Risk level: G3a +A3

Answer 18

red: very high risk

Question 19

Risk level: G1 or G2 +A1

Answer 19

green: low risk

Question 20

Risk level: G2+A2

Answer 20

yellow: moderately increased risk

Question 21

Risk level: G2+A3

Answer 21

orange: high risk

Question 22

Risk level: G1+A2

Answer 22

yellow: moderately increased risk

Question 23

Risk level: G1+A3

Answer 23

orange: high risk