Pediculosis, acariasis and other infestations
28 codes in this section
About Section B85-B89
Section B85-B89 (B85-B89) covers pediculosis, acariasis and other infestations. It sits within the Certain infectious and parasitic diseases chapter (A00-B99). This section contains 28 ICD-10-CM codes, 23 billable diagnoses you can submit on a claim, and 5 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in B85-B89
Grouped by 3-character root code. Click any code for full detail.
| B85.0 | Pediculosis due to Pediculus humanus capitis | Billable |
| B85.1 | Pediculosis due to Pediculus humanus corporis | Billable |
| B85.2 | Pediculosis, unspecified | Billable |
| B85.3 | Phthiriasis | Billable |
| B85.4 | Mixed pediculosis and phthiriasis | Billable |
| B87.0 | Cutaneous myiasis | Billable |
| B87.1 | Wound myiasis | Billable |
| B87.2 | Ocular myiasis | Billable |
| B87.3 | Nasopharyngeal myiasis | Billable |
| B87.4 | Aural myiasis | Billable |
| B87.8 | Myiasis of other sites | Header |
| B87.81 | Genitourinary myiasis | Billable |
| B87.82 | Intestinal myiasis | Billable |
| B87.89 | Myiasis of other sites | Billable |
| B87.9 | Myiasis, unspecified | Billable |
| B88.0 | Other acariasis | Header |
| B88.01 | Infestation by Demodex mites | Billable |
| B88.09 | Other acariasis | Billable |
| B88.1 | Tungiasis [sandflea infestation] | Billable |
| B88.2 | Other arthropod infestations | Billable |
| B88.3 | External hirudiniasis | Billable |
| B88.8 | Other specified infestations | Billable |
| B88.9 | Infestation, unspecified | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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