CODING INFORMATION

ICD-10 Codes that may support medical necessity:

D69.0 Allergic purpura 

H10.401 – H10.409 Unspecified chronic conjunctivitis 

H10.421 – H10.429 Simple chronic conjunctivitis 

H10.44 Vernal conjunctivitis 

H16.261 – H16.269 Vernal keratoconjunctivitis, with limbar and corneal involvement 

H10.411 – H10.419 Chronic giant papillary conjunctivitis 

H10.45 Other chronic allergic conjunctivitis 

H10.9 Unspecified conjunctivitis 

J30.0 – J30.9 Vasomotor and allergic rhinitis 

J31.0 – J31.2 Chronic rhinitis, nasopharyngitis and pharyngitis

J32.0 – J32.9 Chronic sinusitis 

J33.0 – J33.9 Nasal polyp 

J45.20 – J45.998 Asthma 

K52.21-K52.29 Allergic and dietetic gastroenteritis and colitis 

K52.89 Other specified noninfective gastroenteritis and colitis 

K52.9 Noninfective gastroenteritis and colitis, unspecified 

L20.0 – L20.9 Atopic dermatitis 

L22 Diaper dermatitis 

L23.0 – L23.9 Allergic contact dermatitis 

L24.0 – L24.9 Irritant contact dermatitis 

L25.0 – L25.9 Unspecified contact dermatitis

L27.0 – L27.9 Dermatitis due to substances taken internally 

L29.8 Other pruritus 

L29.9 Pruritus, unspecified 

L30.0 – L30.9 Other and unspecified dermatitis 

L50.0 Allergic urticaria 

L50.1 Idiopathic urticaria 

L50.6 Contact urticaria 

L50.8 Other urticaria 

L50.9 Urticaria, unspecified 

L56.4 Polymorphous light eruption 

T50.905A-T50.905S Adverse effect of unspecified drugs, medicaments and biological substances T50.995A-T50.905S Adverse effect of other drugs, medicaments and biological substances 

T78.00xA-T78.1xxS Anaphylactic reaction due to food

T78.40xA-T78.49xS Other and unspecified allergy 

Z01.82 Encounter for allergy testing 

Z91.010 – Z91.09 Allergy status, other than to drugs and biological substances 

CPT/HCPCS Codes

Testing: (Laboratory tests are subject to laboratory benefits) 

82785 Gammaglobulin; IgE 

86001 Allergen specific IgG quantitative or semiquantitative, each allergen 

86003 Allergen specific IgE; quantitative or semiquantitative, each allergen 

86005 Allergen specific IgE; qualitative, multiallergen screen (dipstick, paddle or disk)

 86021 Antibody identification; leukocyte antibodies 

95004 Percutaneous tests (scratch, puncture, prick) with allergenic extracts, immediate type reaction, including test interpretation and report by a physician, specify number of tests. 

95012 Nitric oxide expired gas determination 

95017 Allergy testing, any combination of percutaneous (scratch, puncture, prick) and intracutaneous (intradermal), sequential and incremental, with venoms, immediate type reaction, including test interpretation and report, specify number of tests 

95018 Allergy testing, any combination of percutaneous (scratch, puncture, prick) and intracutaneous (intradermal), sequential and incremental, with drugs or biologicals, immediate type reaction, including test interpretation and report, specify number of tests 

95024 Intracutaneous (intradermal) tests with allergenic extracts, immediate type reaction, including test interpretation and report by a physician, specify number of tests. 

95027 Intracutaneous (intradermal) tests, sequential and incremental, with allergenic extracts for airborne allergens, immediate type reaction, including test interpretation and report by a physician, specify number of tests. 

95028 Intracutaneous (intradermal) tests with allergenic extracts, delayed type reaction, including reading, specify number of tests. 

95044 Patch or application test(s), specify number of tests.

95052 Photo patch test(s), specify number of tests. 

95056 Photo tests 

95060 Ophthalmic mucous membrane tests 

95065 Direct nasal mucous membrane test 

95070 Inhalation bronchial challenge testing (not including necessary pulmonary function tests); with histamine, methacholine, or similar compounds. 

95071 Inhalation bronchial challenge testing (not including necessary pulmonary function tests); with antigens or gases, specify number of tests. 

95076 Ingestion challenge test (sequential and incremental ingestion of test items, eg, food, drug or other substance); initial 120 minutes of testing 

95079 Ingestion challenge test (sequential and incremental ingestion of test items, eg, food, drug or other substance); each additional 60 minutes of testing (List separately in addition to code for primary procedure)