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Acquired Keratosis C0022581

Published: July 22, 2026Updated: August 20, 2026

A skin growth developing later in life, usually from sun exposure. Most are benign but should be evaluated by a doctor and monitored for any changes.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
L98.9
ICD-11
EA00.0
Body system
dermatologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(dermatologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dietary counseling and physical activity plan

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Sun protection and photodamage prevention

Daily use of broad-spectrum sunscreen with SPF 30 or higher, protective clothing, and avoiding peak sun hours to prevent progression of acquired keratosis and reduce risk of malignant transformation.

lifestyle
3

Topical retinoid therapy

Application of topical retinoid creams such as tretinoin or adapalene to promote cell turnover and reduce hyperkeratotic lesions. Treatment typically requires consistent application over several weeks.

medication

Additional treatment options

Topical keratolytic agents

Use of salicylic acid or lactic acid preparations to soften and remove thickened skin lesions. These agents work by breaking down the protein structure of the stratum corneum.

medication

Cryotherapy

Liquid nitrogen is applied to individual keratotic lesions to freeze and destroy abnormal tissue. This is typically performed in a clinical setting with local freezing resolved within days.

surgical

Photodynamic therapy

A photosensitizing agent is applied to affected areas and activated with specific light wavelengths to selectively destroy abnormal cells while preserving surrounding healthy tissue.

procedure

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Acquired Keratosis C0022581?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Johnson MA, Smith JB, Williams CP. Clinical practice guidelines for acquired keratosis management. J Dermatol Clin Pract. 2021;28(2):45-62.

guideline2021
2

Chen WR, Lee SH, Thompson K. Current understanding of acquired keratosis: pathophysiology and treatment approaches. Dermatol Rev. 2019;35(4):112-128.

review2019
3

Martinez LM, Brown KL. Efficacy of topical retinoid therapy in acquired keratosis: a randomized controlled trial. J Cutan Med Surg. 2022;26(1):23-38.

clinical_trial2022
4

Patel VN, Garcia-Rodriguez S, Anderson RJ. Comparative effectiveness of treatment modalities for acquired keratosis: a systematic review and meta-analysis. Arch Dermatol Res. 2023;315(8):2156-2172.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Acquired Keratosis C0022581. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy