ICD-10-CM › L00-L99 › L80-L99 › L97.40 Non-pressure chronic ulcer of... › L97.404
L97.404
Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bone
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
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.
- FY2007 Added to the draft code set draft Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of bone
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 L97 Non-pressure chronic ulcer of lower limb, not elsewhere classified
Excludes2 - not included here
- pressure ulcer (pressure area) (L89.-)
- skin infections (L00-L08)
- specific infections classified to A00-B99
Code first
- any associated underlying condition, such as:
- any associated gangrene (I96)
- atherosclerosis of the lower extremities (I70.23-, I70.24-, I70.33-, I70.34-, I70.43-, I70.44-, I70.53-, I70.54-, I70.63-, I70.64-, I70.73-, I70.74-)
- chronic venous hypertension (I87.31-, I87.33-)
- diabetic ulcers (E08.621, E08.622, E09.621, E09.622, E10.621, E10.622, E11.621, E11.622, E13.621, E13.622)
- postphlebitic syndrome (I87.01-, I87.03-)
- postthrombotic syndrome (I87.01-, I87.03-)
- varicose ulcer (I83.0-, I83.2-)
Includes
- chronic ulcer of skin of lower limb NOS
- non-healing ulcer of skin
- non-infected sinus of skin
- trophic ulcer NOS
- tropical ulcer NOS
- ulcer of skin of lower limb NOS
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.
- Naga sore
- Veldt sore
- Sore > Naga
- Crural ulcer
- Sore > veldt
- Desert > sore
- Sore > desert
- Sore > of skin
- Sore > tropical
- Meleney's > ulcer
- Sloughing > ulcer
- Meleney's > gangrene
- Phagedena > tropical
- Barcoo disease or rot
- Gangrene, gangrenous > Meleney's
- Lesion > ulcerated or ulcerative
- Infection, infected, infective > skin > ulcer
- Gangrene, gangrenous > progressive synergistic
- Infection, infected, infective > local, skin > ulcer
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > leg
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > toe
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > foot
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > heel
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > knee
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > thigh
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > crural
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > chronic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > trophic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > atrophic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > tropical
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > fistulous
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > Meleney's
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > sloughing
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > phagedenic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > neurogenic NEC
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > popliteal space
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > unspecified site
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > skin > lower limb
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > nose, nasal > skin
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > perforating > skin
Showing 40 of 44 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| L97.401 | Non-pressure chronic ulcer of unspecified heel and midfoot limited to breakdown of skin | Valid |
| L97.402 | Non-pressure chronic ulcer of unspecified heel and midfoot with fat layer exposed | Valid |
| L97.403 | Non-pressure chronic ulcer of unspecified heel and midfoot with necrosis of muscle | Valid |
| L97.405 | Non-pressure chronic ulcer of unspecified heel and midfoot with muscle involvement without evidence of necrosis | Valid |
| L97.406 | Non-pressure chronic ulcer of unspecified heel and midfoot with bone involvement without evidence of necrosis | Valid |
| L97.408 | Non-pressure chronic ulcer of unspecified heel and midfoot with other specified severity | Valid |
| L97.409 | Non-pressure chronic ulcer of unspecified heel and midfoot with unspecified severity | Valid |