L81.9
BillableDisorder of pigmentation, unspecified
Disorder of pigmentation, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •lipomelanotic reticulosisI89.8
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •viral wartsB07
- nevus - see Alphabetical Index
Related Codes(9)
L81.0Postinflammatory hyperpigmentation
L81.1Chloasma
L81.2Freckles
L81.3Cafe au lait spots
L81.4Other melanin hyperpigmentation
L81.5Leukoderma, not elsewhere classified
L81.6Other disorders of diminished melanin formation
L81.7Pigmented purpuric dermatosis
L81.8Other specified disorders of pigmentation
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(155)
SNOMED CT
- Disorder of skin pigmentation46690002
- Skin pigmentation disorder46690002
- Hyperpigmentation49765009
- Hyperpigmentation disorder49765009
- Hyperpigmentation of skin49765009
- Application site pigmentation changes95370008
- Injection site pigmentation change95380007
- Drug-induced pigmentation110284009
- Drug induced abnormal pigmentation of skin110990003
- Drug pigmentation110990003
- Pigmented skin lesion201340008
- Exogenous pigmentation of oral mucosa235045002
- Pattern of pigmentation247437002
- Crust on skin271765003
- Finding of color of female perineum289880008
- Finding of colour of female perineum289880008
- Observation of color of female perineum289880008
- Observation of colour of female perineum289880008
- Hyperpigmentation of female perineum289881007
- Observation of discharge of skin297970000
- Skin discharge297970000
- Skin exudate297970000
- Itching of pigmented skin lesion315256004
- Oozing of pigmented skin lesion315257008
- Crusting of pigmented skin lesion315258003
- Subcutaneous component of pigmented skin lesion315260001
- Skin pigmentation370172004
- Skin pigmented370172004
- Pigmentation of skin or mucosa373923006
- Disorder of skin color402604004
- Disorder of skin colour402604004
- Physiological pigmentation402605003
- Non-melanin pigmentation caused by exogenous substance402620009
- Drug-induced oral condition402757006
- Physiological pigmentation of mucous membranes403218008
- UV tanning of skin403219000
- Ultraviolet-induced skin pigmentation403219000
- Ultraviolet-induced skin pigmentation - tanning403219000
- Bismuth pigmentation403264003
- Bismuthia403264003
- Pigmentation caused by bismuth403264003
- Pigmented skin lesion of uncertain nature403279005
- Drug-induced oral pigmentation403663003
- Disorder of pigmentation414032001
- Pigmentation disorder of lip717832004
- Genetic disorder of skin pigmentation724839001
- Occupationally-acquired disorder of skin pigmentation724875004
- Benign pigmented skin lesion734932003
- Artificial ultraviolet-induced skin pigmentation762664003
- Pigmentation of skin caused by artificial ultraviolet light762664003
- Char Douglas Dungan syndrome771179007
- Extrasystoles, short stature, hyperpigmentation, microcephaly syndrome771179007
- Pigmented skin lesion of uncertain nature of upper limb870275000
- Pigmented skin lesion of uncertain nature of neck870277008
- Pigmented skin lesion of uncertain nature of trunk870278003
- Pigmented skin lesion of uncertain nature of head870279006
- Pigmentation defects, palmoplantar keratoderma, skin carcinoma syndrome1230005002
- Disorder of pigmentation of skin following cosmetic surgery1251385007
- Disorder of skin pigmentation following cosmetic surgery1251385007
- Pigmented skin lesion of uncertain nature of lower extremity1254869005
- Pigmented lesion of skin of lower limb1254872003
- Pigmented skin lesion of lower limb1254872003
- Atypical pigmented lesion80201000119103
UMLS
- Disorder of pigmentationC0549567
- Disorder of pigmentation (disorder)C0549567
- Disorder of pigmentation, unspecifiedC0549567
- Disorder, PigmentationC0549567
- Disorders, PigmentationC0549567
- PIGMENTATION DISC0549567
- Pigment alterationC0549567
- Pigment alteration (morphologic abnormality)C0549567
- Pigmentation DisorderC0549567
- Pigmentation DisordersC0549567
- Pigmentation disorderC0549567
- Pigmentation disorder NOSC0549567
- Pigmentation disordersC0549567
- disorders pigmentationC0549567
- pigment disorderC0549567
- pigment disordersC0549567
- pigmentation disorderC0549567
- pigmentation disordersC0549567
Clinical Terms
- pigmentation disorder
- Skin pigmentation
- Observation of discharge of skin
- Skin pigmented
- Pigmentation caused by bismuth
- Pigmented skin lesion of lower limb
- Observation of color of female perineum
- Pigmented lesion of skin of lower limb
- Disorder, Pigmentation
- Benign pigmented skin lesion
- Subcutaneous component of pigmented skin lesion
- Crusting of pigmented skin lesion
- Pigmentation disorder NOS
- Hyperpigmentation
- pigmentation disorders
- Pigmented skin lesion of uncertain nature of head
- Bismuthia
- Skin pigmentation disorder
- Pigmentation of skin caused by artificial ultraviolet light
- Pigmentation of skin or mucosa
- Pigment alteration
- Ultraviolet-induced skin pigmentation
- Extrasystoles, short stature, hyperpigmentation, microcephaly syndrome
- Hyperpigmentation disorder
- Itching of pigmented skin lesion
- Non-melanin pigmentation caused by exogenous substance
- Finding of color of female perineum
- Disorder of skin colour
- Hyperpigmentation of female perineum
- Skin discharge
- Disorder of pigmentation (disorder)
- Hyperpigmentation of skin
- Atypical pigmented lesion
- Pigmentation disorder of lip
- Char Douglas Dungan syndrome
- Disorder of skin pigmentation following cosmetic surgery
- Disorders, Pigmentation
- Pigmented skin lesion
- Exogenous pigmentation of oral mucosa
- Drug pigmentation
- Injection site pigmentation change
- Application site pigmentation changes
- Artificial ultraviolet-induced skin pigmentation
- pigment disorders
- Genetic disorder of skin pigmentation
- Disorder of skin pigmentation
- Observation of colour of female perineum
- Pigmented skin lesion of uncertain nature of upper limb
- Drug-induced pigmentation
- Pigmentation defects, palmoplantar keratoderma, skin carcinoma syndrome
- Pattern of pigmentation
- Pigmented skin lesion of uncertain nature of neck
- Pigmented skin lesion of uncertain nature
- Drug-induced oral condition
- Oozing of pigmented skin lesion
- Pigmented skin lesion of uncertain nature of trunk
- Skin exudate
- Pigmented skin lesion of uncertain nature of lower extremity
- pigment disorder
- Disorder of pigmentation of skin following cosmetic surgery
- Physiological pigmentation
- Drug-induced oral pigmentation
- Drug induced abnormal pigmentation of skin
- Bismuth pigmentation
- disorders pigmentation
- Physiological pigmentation of mucous membranes
- Pigment alteration (morphologic abnormality)
- Crust on skin
- Disorder of skin color
- PIGMENTATION DIS
- Occupationally-acquired disorder of skin pigmentation
- UV tanning of skin
- Finding of colour of female perineum
- Ultraviolet-induced skin pigmentation - tanning
Frequently Asked Questions
What is the ICD-10 code for disorder of pigmentation, unspecified?
The ICD-10-CM code for disorder of pigmentation, unspecified is L81.9. The full clinical description is "Disorder of pigmentation, unspecified". L81.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code L81.9 mean?
ICD-10-CM code L81.9 represents “Disorder of pigmentation, unspecified”. It is classified under Chapter 12: Diseases of the Skin and Subcutaneous Tissue and is a billable/specific code that can be used on a claim.
Is L81.9 a billable code?
Yes, L81.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is L81.9 in?
L81.9 is in Chapter 12: Diseases of the Skin and Subcutaneous Tissue (codes L00-L99).
What codes cannot be used with L81.9?
L81.9 has Excludes1 notes indicating codes that cannot be used together with it, including: birthmark NOS (Q82.5); Peutz-Jeghers syndrome (Q85.89).
What SNOMED CT codes does L81.9 map to?
L81.9 maps to 44 SNOMED CT concepts: 95370008, 762664003, 80201000119103, 734932003, 403264003, and 39 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for L81.9?
L81.9 is linked to 1 UMLS Concept Unique Identifier: C0549567. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does L81.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like disorder of pigmentation, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of L81.9?
L81.9 maps to the ICD-11 code: ED6Y (Other specified disorders of skin pigmentation).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.