ICD-10-CM Codes
L00-L99 Diseases of the skin and subcutaneous tissue
L80-L99 Other disorders of the skin and subcutaneous tissue
L97- Non-pressure chronic ulcer of lower limb, not elsewhere classified

2020 ICD-10-CM Diagnosis Code L97.20

Non-pressure chronic ulcer of unspecified calf

2016

2017

2018

2019

2020

Non-Billable/Non-Specific Code

L97.20 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2020 edition of ICD-10-CM L97.20 became effective on October 1, 2019.
This is the American ICD-10-CM version of L97.20 - other international versions of ICD-10 L97.20 may differ.

The following code(s) above L97.20 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 L97.20:

L00-L99
2020 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
L97
ICD-10-CM Diagnosis Code L97
Non-pressure chronic ulcer of lower limb, not elsewhere classified
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
Type 2 Excludes
- pressure ulcer (pressure area) (L89.-)
- skin infections (L00-L08)
- specific infections classified to A00-B99
Non-pressure chronic ulcer of lower limb, not elsewhere classified

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
2020 (effective 10/1/2019): No change

ICD-10-CM Codes Adjacent To L97.20

L97.12 Non-pressure chronic ulcer of left thigh

L97.121 …… limited to breakdown of skin

L97.122 …… with fat layer exposed

L97.123 …… with necrosis of muscle

L97.124 …… with necrosis of bone

L97.125 …… with muscle involvement without evidence of necrosis

L97.126 …… with bone involvement without evidence of necrosis

L97.128 …… with other specified severity

L97.129 …… with unspecified severity

L97.2 Non-pressure chronic ulcer of calf

L97.20 Non-pressure chronic ulcer of unspecified calf

L97.201 …… limited to breakdown of skin

L97.202 …… with fat layer exposed

L97.203 …… with necrosis of muscle

L97.204 …… with necrosis of bone

L97.205 …… with muscle involvement without evidence of necrosis

L97.206 …… with bone involvement without evidence of necrosis

L97.208 …… with other specified severity

L97.209 …… with unspecified severity

L97.21 Non-pressure chronic ulcer of right calf

L97.211 …… limited to breakdown of skin

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

2020 ICD-10-CM Diagnosis Code L97.20

Non-pressure chronic ulcer of unspecified calf

Diseases of the skin and subcutaneous tissue

Non-pressure chronic ulcer of lower limb, not elsewhere classified