ICD-10-CM Codes
L00-L99 Diseases of the skin and subcutaneous tissue
L40-L45 Papulosquamous disorders
L40- Psoriasis
2021 ICD-10-CM Diagnosis Code L40.4

2021 ICD-10-CM Diagnosis Code L40.4

Guttate psoriasis

2016

2017

2018

2019

2020

2021

Billable/Specific Code

L40.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM L40.4 became effective on October 1, 2020.
This is the American ICD-10-CM version of L40.4 - other international versions of ICD-10 L40.4 may differ.

The following code(s) above L40.4 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 L40.4:

L00-L99
2021 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

Approximate Synonyms

Psoriasis, guttate

ICD-10-CM L40.4 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

595 Major skin disorders with mcc
596 Major skin disorders without mcc

Convert L40.4 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
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to L40.4:

Psoriasis L40.9
ICD-10-CM Diagnosis Code L40.9
Psoriasis, unspecified
- guttate L40.4

ICD-10-CM Codes Adjacent To L40.4

L30.3 Infective dermatitis

L30.4 Erythema intertrigo

L30.5 Pityriasis alba

L30.8 Other specified dermatitis

L30.9 Dermatitis, unspecified

L40 Psoriasis

L40.0 Psoriasis vulgaris

L40.1 Generalized pustular psoriasis

L40.2 Acrodermatitis continua

L40.3 Pustulosis palmaris et plantaris

L40.4 Guttate psoriasis

L40.5 Arthropathic psoriasis

L40.50 …… unspecified

L40.51 Distal interphalangeal psoriatic arthropathy

L40.52 Psoriatic arthritis mutilans

L40.53 Psoriatic spondylitis

L40.54 Psoriatic juvenile arthropathy

L40.59 Other psoriatic arthropathy

L40.8 Other psoriasis

L40.9 Psoriasis, unspecified

L41 Parapsoriasis

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

2021 ICD-10-CM Diagnosis Code L40.4

Guttate psoriasis

Diseases of the skin and subcutaneous tissue

Psoriasis, unspecified