ICD-10-CM Codes
L00-L99 Diseases of the skin and subcutaneous tissue
L80-L99 Other disorders of the skin and subcutaneous tissue
L98- Other disorders of skin and subcutaneous tissue, not elsewhere classified

2019 ICD-10-CM Diagnosis Code L98.423

Non-pressure chronic ulcer of back with necrosis of muscle

2016

2017

2018

2019

Billable/Specific Code

L98.423 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2019 edition of ICD-10-CM L98.423 became effective on October 1, 2018.
This is the American ICD-10-CM version of L98.423 - other international versions of ICD-10 L98.423 may differ.

The following code(s) above L98.423 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to L98.423:

L00-L99
2019 ICD-10-CM Range L00-L99
Diseases of the skin and subcutaneous tissue
Type 2 Excludes
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- lipomelanotic reticulosis (I89.8)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- viral warts (B07.-)
Diseases of the skin and subcutaneous tissue
L98.4
ICD-10-CM Diagnosis Code L98.4
Non-pressure chronic ulcer of skin, not elsewhere classified
Applicable To
- Chronic ulcer of skin NOS
- Tropical ulcer NOS
- Ulcer of skin NOS
Type 2 Excludes
- pressure ulcer (pressure area) (L89.-)
- gangrene (I96)
- skin infections (L00-L08)
- specific infections classified to A00-B99
- ulcer of lower limb NEC (L97.-)
- varicose ulcer (I83.0-I82.2)
Non-pressure chronic ulcer of skin, not elsewhere classified

Approximate Synonyms

Chronic ulcer of back with muscle necrosis
Chronic ulcer of back, muscle necrosis

ICD-10-CM L98.423 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

573 Skin graft for skin ulcer or cellulitis with mcc
574 Skin graft for skin ulcer or cellulitis with cc
575 Skin graft for skin ulcer or cellulitis without cc/mcc
576 Skin graft except for skin ulcer or cellulitis with mcc
577 Skin graft except for skin ulcer or cellulitis with cc
578 Skin graft except for skin ulcer or cellulitis without cc/mcc
592 Skin ulcers with mcc
593 Skin ulcers with cc
594 Skin ulcers without cc/mcc

Convert L98.423 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change

Diagnosis Index entries containing back-references to L98.423:

Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- back L98.429
  ICD-10-CM Diagnosis Code L98.429
  Non-pressure chronic ulcer of back with unspecified severity
  2016 2017 2018 2019 Billable/Specific Code
  - with
    - muscle necrosis L98.423

ICD-10-CM Codes Adjacent To L98.423

L98.412 …… with fat layer exposed

L98.413 …… with necrosis of muscle

L98.414 …… with necrosis of bone

L98.415 …… with muscle involvement without evidence of necrosis

L98.416 …… with bone involvement without evidence of necrosis

L98.418 …… with other specified severity

L98.419 …… with unspecified severity

L98.42 Non-pressure chronic ulcer of back

L98.421 …… limited to breakdown of skin

L98.422 …… with fat layer exposed

L98.423 …… with necrosis of muscle

L98.424 …… with necrosis of bone

L98.425 …… with muscle involvement without evidence of necrosis

L98.426 …… with bone involvement without evidence of necrosis

L98.428 …… with other specified severity

L98.429 …… with unspecified severity

L98.49 Non-pressure chronic ulcer of skin of other sites

L98.491 …… limited to breakdown of skin

L98.492 …… with fat layer exposed

L98.493 …… with necrosis of muscle

L98.494 …… with necrosis of bone

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2019 ICD-10-CM Diagnosis Code L98.423

Non-pressure chronic ulcer of back with necrosis of muscle

Diseases of the skin and subcutaneous tissue

Non-pressure chronic ulcer of skin, not elsewhere classified

Non-pressure chronic ulcer of back with unspecified severity