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    v1.0.30
    OpenPayerBilling CodesAdministrative, Miscellaneous and InvestigationalHCPCS hcpcs-a9155-artificial-saliva-30ml
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    HCPCS Level II A9155: Artificial Saliva, 30 mL

    HCPCS Level II code A9155 represents a 30 mL unit of artificial saliva used as a topical oral lubricant to manage xerostomia and related dry mouth conditions; the service type is topical oral product / medical supply and the typical site of service is outpatient clinics, dental offices, long-term care facilities, and home use where topical salivary substitutes are applied for symptomatic relief.

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    Clinical & Coding Specifications

    Clinical Context

    A patient presents to an outpatient oncology clinic with persistent xerostomia following head and neck radiation therapy. The patient reports dry mouth symptoms that interfere with oral intake, dentition maintenance, and sleep. The clinician assesses oral mucosa, reviews radiation dose history, and documents symptomatic dry mouth despite saliva substitutes and topical measures. The clinician orders dispensation of A9155 (Artificial saliva, 30 ml) to be provided by the clinic or dispensed via a contracted durable medical supply vendor. The clinical workflow includes medication counseling on frequency of use, documentation of medical necessity tied to the patient’s diagnosis (for example, radiation-induced xerostomia or Sjögren’s syndrome), recording the quantity dispensed, verifying insurance benefits and coverage criteria, and attaching the appropriate diagnosis code(s) to support coverage. If coverage requires a prescription, a dated and signed order is placed in the medical record. Billing is submitted to the patient’s payor using HCPCS code A9155, with any applicable modifier to explain circumstances (for example, reduced services or an unusual procedural service). Typical sites of service are outpatient clinics, oncology infusion centers, radiation oncology clinics, dental specialty clinics, and home health settings where topical oral agents are provided as part of supportive care.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesUsed to evaluate xerostomia, document medical necessity for A9155, and write the prescription/order for the supply.
    99406Smoking and tobacco use cessation counseling; intermediate, greater than 3 minutes up to 10 minutesMay be provided in the same visit when tobacco contributes to dry mouth; documents counseling services alongside supply provision.
    99199Unlisted special service, procedure or reportOccasionally used for reporting non-covered or non-standard supply-related services when no direct CPT exists (billing policies vary).
    92526Treatment of swallowing dysfunction and/or oral function for feeding, with a specific therapeutic procedureMay be performed by speech-language pathologists addressing oral moisture and function adjunctive to saliva substitute use.
    98960Education and training for patient self-management for a new or established patient, face-to-face; 30 minutesUsed when structured self-management or oral care education related to xerostomia is provided along with dispensing the product.

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    23Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    54Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
    55Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    208000000X
    207L00000X
    207P00000X
    333600000X
    1835X0200X
    246XS1301X
    207LP3000X
    208C00000X

    Related Codes

    HCPCS-A9150-NON-PRESCRIPTION-DRUGS

    HCPCS Level II A9150: Non-prescription Drugs

    HCPCS-A9152-SINGLE-ORAL-VITAMIN-MINERAL-DOSE

    HCPCS A9152: Single Oral Vitamin/Mineral/Trace Element

    HCPCS-A9153-MULTIVITAMIN-ORAL-PER-DOSE

    HCPCS A9153: Multiple Vitamins, Oral, Per Dose

    HCPCS-A9154-ARTIFICIAL-SALIVA-1ML

    HCPCS Level II A9154: Artificial saliva, 1 ml

    HCPCS-A9156-ORAL-MUCOADHESIVE-PER-1ML

    HCPCS Level II A9156: Oral Mucoadhesive, Per 1 ml

    HCPCS-A9180-PEDICULOSIS-TOPICAL-TREATMENT-PATIENT-ADMINISTRATION

    HCPCS Level II A9180: Pediculosis Topical Treatment for Patient/Caretaker

    HCPCS-A9268-PROGRAMMER-TRANSIENT-INGESTED-CAPSULE

    HCPCS Level II A9268: Programmer for Transient Orally Ingested Capsule

    HCPCS-A9269-PROGRAMMABLE-TRANSIENT-ORAL-CAPSULE

    HCPCS Level II A9269: Programmable Orally Ingested Capsule, Per Month

    HCPCS-A9270-NON-COVERED-ITEM-OR-SERVICE

    HCPCS A9270: Non-covered Item or Service

    HCPCS-A9272-DISPOSABLE-WOUND-SUCTION-DEVICE-KIT

    HCPCS Level II A9272: Wound Suction, Disposable, Complete Kit

    Showing 1–10 of 138

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    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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