blood cretinine level

Does a blood cretinine level of 4.1 indicate an urgent need for dialysis?

[Marina_busybee]

It  looks  like you're  in the  15-20  GFR  level.
You  didn't  specify  age  nor  sex.

there's  is  a table/calculator  where you  can  check where  you stand  here:
http://www.kidney.org/professionals/kdoqi/gfr_calculator.cfm

GFR  levels/stages

•Stage 1: Kidney damage with normal or increased GFR (>90 mL/min/1.73 m2)
•Stage 2: Mild reduction in GFR (60-89 mL/min/1.73 m2)
•Stage 3: Moderate reduction in GFR (30-59 mL/min/1.73 m2)
•Stage 4: Severe reduction in GFR (15-29 mL/min/1.73 m2)
•Stage 5: Kidney failure (GFR <15 mL/min/1.73 m2 or dialysis)