ICD-10-CM › S00-T88 › S60-S69 › S66.104 Unspecified injury of flexor... › S66.104S

S66.104S

Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela

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 injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, sequela

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 S66 Injury of muscle, fascia and tendon at wrist and hand level

Seventh character required

  • The appropriate 7th character is to be added to each code from category S66

Excludes2 - not included here

  • sprain of joints and ligaments of wrist and hand (S63.-)

Code also

  • any associated open wound (S61.-)

Inherited from the S60-S69 section Injuries to the wrist, hand and fingers (S60-S69)

Excludes2 - not included here

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

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
S66.104A Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, initial encounter Valid
S66.104D Unspecified injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level, subsequent encounter Valid