Fracture of forearm Note: A fracture not indicated as displaced or nondisplaced should be coded to displacedA fracture not indicated as open or closed should be coded to closedThe open fracture designations are based on the Gustilo open fracture classificationExcludes1traumatic amputation of forearm (S58.-)Excludes2fracture at wrist and hand level (S62.-)periprosthetic fracture around internal prosthetic elbow joint (M97.4)The appropriate 7th character is to be added to all codes from category S52A - initial encounter for closed fractureB - initial encounter for open fracture type I or IIC - initial encounter for open fracture type IIIA, IIIB, or IIICD - subsequent encounter for closed fracture with routine healingE - subsequent encounter for open fracture type I or II with routine healingF - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healingG - subsequent encounter for closed fracture with delayed healingH - subsequent encounter for open fracture type I or II with delayed healingJ - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healingK - subsequent encounter for closed fracture with nonunionM - subsequent encounter for open fracture type I or II with nonunionN - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunionP - subsequent encounter for closed fracture with malunionQ - subsequent encounter for open fracture type I or II with malunionR - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunionS - sequela