ICD-10-CM Codes
L00-L99
L00-L08
L05-
2023 ICD-10-CM Diagnosis Code L05

2023 ICD-10-CM Diagnosis Code L05

Pilonidal cyst and sinus

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

L05 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM L05 became effective on October 1, 2022.
This is the American ICD-10-CM version of L05 - other international versions of ICD-10 L05 may differ.

The following code(s) above L05 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 L05:

L00-L99
2023 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
L00-L08
2023 ICD-10-CM Range L00-L08
Infections of the skin and subcutaneous tissue
Type 2 Excludes
- hordeolum (H00.0)
- infective dermatitis (L30.3)
- local infections of skin classified in Chapter 1
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- panniculitis of neck and back (M54.0-)
- Perlèche NOS (K13.0)
- Perlèche due to candidiasis (B37.0)
- Perlèche due to riboflavin deficiency (E53.0)
- pyogenic granuloma (L98.0)
- relapsing panniculitis [Weber-Christian] (M35.6)
- viral warts (B07.-)
- zoster (B02.-)
Use Additional
- code (B95-B97) to identify infectious agent.
Infections of the skin and subcutaneous tissue

Clinical Information

A hair-containing cyst or sinus, occurring chiefly in the coccygeal region.

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
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to L05:

Type 1 Excludes: Q43.6
, Q82

ICD-10-CM Diagnosis Code Q43.6
Congenital fistula of rectum and anus
Type 1 Excludes
- congenital fistula of anus with absence, atresia and stenosis (Q42.2)
- congenital fistula of rectum with absence, atresia and stenosis (Q42.0)
- congenital rectovaginal fistula (Q52.2)
- congenital urethrorectal fistula (Q64.73)
- pilonidal fistula or sinus (L05.-)
ICD-10-CM Diagnosis Code Q82
Other congenital malformations of skin
Type 1 Excludes
- acrodermatitis enteropathica (E83.2)
- congenital erythropoietic porphyria (E80.0)
- pilonidal cyst or sinus (L05.-)
- Sturge-Weber (-Dimitri) syndrome (Q85.89)

ICD-10-CM Codes Adjacent To L05

L03.9 Cellulitis and acute lymphangitis, unspecified

L03.90 Cellulitis, unspecified

L03.91 Acute lymphangitis, unspecified

L04 Acute lymphadenitis

L04.0 Acute lymphadenitis of face, head and neck

L04.1 Acute lymphadenitis of trunk

L04.2 Acute lymphadenitis of upper limb

L04.3 Acute lymphadenitis of lower limb

L04.8 Acute lymphadenitis of other sites

L04.9 Acute lymphadenitis, unspecified

L05 Pilonidal cyst and sinus

L05.0 Pilonidal cyst and sinus with abscess

L05.01 Pilonidal cyst with abscess

L05.02 Pilonidal sinus with abscess

L05.9 Pilonidal cyst and sinus without abscess

L05.91 Pilonidal cyst without abscess

L05.92 Pilonidal sinus without abscess

L08 Other local infections of skin and subcutaneous tissue

L08.0 Pyoderma

L08.1 Erythrasma

L08.8 Other specified local infections of the skin and subcutaneous tissue

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

2023 ICD-10-CM Diagnosis Code L05

Pilonidal cyst and sinus

Diseases of the skin and subcutaneous tissue

Infections of the skin and subcutaneous tissue

Congenital fistula of rectum and anus

Other congenital malformations of skin