ICD-10-CM › S00-T88 › S60-S69 › S60.42 Blister (nonthermal) of fingers › S60.421
Blister (nonthermal) of left index finger
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 3 more specific codes instead:
- S60.421A Blister (nonthermal) of left index finger, initial encounter
- S60.421D Blister (nonthermal) of left index finger, subsequent encounter
- S60.421S Blister (nonthermal) of left index finger, sequela
This code requires a seventh character. See the rule below.
What has happened to this code
Every change the publisher made, from 2014 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.
- FY2014 Added to the draft code set draft Blister (nonthermal) of left index finger
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 S60 Superficial injury of wrist, hand and fingers
Seventh character required
- The appropriate 7th character is to be added to each code from category S60
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.
- Blister > digit > hand
- Blister > nail > finger
- Blister > phalanges > finger
- Blister > subungual > finger
- Injury > finger > superficial
- Injury > superficial NEC > blister
- Injury > superficial NEC > digit > hand
- Injury > superficial NEC > finger > blister
- Injury > superficial NEC > nail NEC > finger
- Injury > superficial NEC > phalanges > finger
- Injury > superficial NEC > subungual > finger
- Blister > finger > ring
- Blister > finger > index
- Blister > finger > little
- Blister > finger > middle
Codes in the same group
| Code | Description | Status |
|---|---|---|
| S60.420 | Blister (nonthermal) of right index finger | Not billable |
| S60.422 | Blister (nonthermal) of right middle finger | Not billable |
| S60.423 | Blister (nonthermal) of left middle finger | Not billable |
| S60.424 | Blister (nonthermal) of right ring finger | Not billable |
| S60.425 | Blister (nonthermal) of left ring finger | Not billable |
| S60.426 | Blister (nonthermal) of right little finger | Not billable |
| S60.427 | Blister (nonthermal) of left little finger | Not billable |
| S60.428 | Blister (nonthermal) of other finger | Not billable |
| S60.429 | Blister (nonthermal) of unspecified finger | Not billable |