ICD-10-CM › S00-T88 › S40-S49 › S42.409 Unspecified fracture of lower end... › S42.409P

S42.409P

Unspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with malunion

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Unspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with malunion

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from S42 Fracture of shoulder and upper arm

Seventh character required

  • The appropriate 7th character is to be added to all codes from category S42

Excludes1 - never coded here

  • traumatic amputation of shoulder and upper arm (S48.-)

Excludes2 - not included here

  • periprosthetic fracture around internal prosthetic shoulder joint (M97.3)

Note

  • A fracture not indicated as displaced or nondisplaced should be coded to displaced
  • A fracture not indicated as open or closed should be coded to closed

Inherited from the S40-S49 section Injuries to the shoulder and upper arm (S40-S49)

Excludes2 - not included here

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of elbow (S50-S59)
  • insect bite or sting, venomous (T63.4)

Includes

  • injuries of axilla
  • injuries of scapular region

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
S42.409A Unspecified fracture of lower end of unspecified humerus, initial encounter for closed fracture Valid
S42.409B Unspecified fracture of lower end of unspecified humerus, initial encounter for open fracture Valid
S42.409D Unspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with routine healing Valid
S42.409G Unspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with delayed healing Valid
S42.409K Unspecified fracture of lower end of unspecified humerus, subsequent encounter for fracture with nonunion Valid
S42.409S Unspecified fracture of lower end of unspecified humerus, sequela Valid