{"id":3134,"date":"2025-03-04T09:53:42","date_gmt":"2025-03-04T09:53:42","guid":{"rendered":"https:\/\/medibillmd.com\/blog\/?p=3134"},"modified":"2025-03-28T12:07:11","modified_gmt":"2025-03-28T12:07:11","slug":"cpt-code-00142","status":"publish","type":"post","link":"https:\/\/medibillmd.com\/blog\/cpt-code-00142\/","title":{"rendered":"Ultimate Guide to CPT Code 00142"},"content":{"rendered":"\n<p>Another day, another anesthesia code to uncover! Anesthesia care is very common in surgical procedures, each with a specific billing code. So, if you are looking for an appropriate anesthesia code for an outpatient ophthalmic surgery, you are at the right place!<\/p>\n\n\n\n<p>Each year, more than<a href=\"https:\/\/www.penaeye.com\/blog\/2019\/03\/21\/cataract-surgery-success-rates-and-197257\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"> 3 million people in the U.S. undergo cataract surgery<\/a>, a type of eye lens replacement procedure. But did you know that healthcare providers often numb patients&#8217; eyes during this procedure to minimize discomfort? In fact, a <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9531089\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">study<\/a> found that 89.8% of Medicare beneficiaries receive anesthesia during lens replacement surgery.<\/p>\n\n\n\n<p>So, how do you bill for this service? With CPT code 00142! Let\u2019s discuss this current procedural terminology (CPT) code in detail!<\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1 uagb-toc__collapse uagb-block-08cb3999      \"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable Of Contents\t\t\t\t\t\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox= \"0 0 384 512\"><path d=\"M192 384c-8.188 0-16.38-3.125-22.62-9.375l-160-160c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L192 306.8l137.4-137.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-160 160C208.4 380.9 200.2 384 192 384z\"><\/path><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap \">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#cpt-code-00142-description\" class=\"uagb-toc-link__trigger\">CPT Code 00142 &#8211; Description<\/a><li class=\"uagb-toc__list\"><a href=\"#scenarios-where-cpt-code-00142-is-applicable\" class=\"uagb-toc-link__trigger\">Scenarios Where CPT Code 00142 is Applicable<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#anesthesia-care-for-cataract-surgery\" class=\"uagb-toc-link__trigger\">Anesthesia Care for Cataract Surgery<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#anesthesia-care-for-refractive-lens-exchange-rle\" class=\"uagb-toc-link__trigger\">Anesthesia Care for Refractive Lens Exchange (RLE)<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#anesthesia-service-for-pediatric-cataract-surgery\" class=\"uagb-toc-link__trigger\">Anesthesia Service for Pediatric Cataract Surgery<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#applicable-modifiers-for-cpt-code-00142\" class=\"uagb-toc-link__trigger\">Applicable Modifiers for CPT Code 00142<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-23\" class=\"uagb-toc-link__trigger\">Modifier 23<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-aa\" class=\"uagb-toc-link__trigger\">Modifier AA<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-qx\" class=\"uagb-toc-link__trigger\">Modifier QX<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-qy\" class=\"uagb-toc-link__trigger\">Modifier QY<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-qz\" class=\"uagb-toc-link__trigger\">Modifier QZ<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#modifier-qs\" class=\"uagb-toc-link__trigger\">Modifier QS<\/a><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#cpt-code-00142-billing-reimbursement-guidelines\" class=\"uagb-toc-link__trigger\">CPT Code 00142 &#8211; Billing &amp; Reimbursement Guidelines<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#justify-medical-necessity-with-proper-documentation\" class=\"uagb-toc-link__trigger\">Justify Medical Necessity with Proper Documentation\u00a0<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#apply-the-correct-modifiers\" class=\"uagb-toc-link__trigger\">Apply the Correct Modifiers<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#comply-with-federal-private-insurance-guidelines\" class=\"uagb-toc-link__trigger\">Comply with Federal &amp; Private Insurance Guidelines\u00a0<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#avoid-common-mistake\" class=\"uagb-toc-link__trigger\">Avoid Common Mistake<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#conclusion\" class=\"uagb-toc-link__trigger\">Conclusion<\/a><\/ul><\/ul><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>CPT Code 00142<\/strong><strong> &#8211; Description<\/strong><\/h2>\n\n\n\n<p>The description for CPT code 00142 is quite simple! This five-digit code refers to anesthesia services during an ophthalmic procedure, specifically eye lens replacement surgery. This includes both cataract and refractive lens exchange (RLE).<\/p>\n\n\n\n<p>During these procedures, an ophthalmologist removes the natural lens of an eye and replaces it with an artificial lens. They do this in two ways: using either phacoemulsification, which involves using ultrasound waves to break up the lens, or through a surgical incision. Both techniques require anesthesia to reduce the pain.<\/p>\n\n\n\n<p>Hence, anesthesiologists or certified registered nurse anesthetists (CRNAs) are also usually involved in the process. They use CPT code 00142 to document and bill for their services accurately.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Scenarios Where<\/strong><strong> CPT Code 00142<\/strong><strong> is Applicable<\/strong><\/h2>\n\n\n\n<p>Want to use CPT code 00142 accurately? Simply look at the following applicable scenarios:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Anesthesia Care for Cataract Surgery<\/strong><\/h3>\n\n\n\n<p>Age-related cataracts \u2014 cloudy areas in the eye\u2019s lens that reduce vision \u2014 are the most common type of cataract, affecting <a href=\"https:\/\/my.clevelandclinic.org\/health\/diseases\/8589-cataracts-age-related\" rel=\"nofollow noopener\" target=\"_blank\">over 50% of the population<\/a> above age 80. So, let\u2019s start with this example! Suppose a 62-year-old diabetic woman struggles with routine tasks due to her declining vision. She visits an outpatient ophthalmology clinic with this concern.<\/p>\n\n\n\n<p>The doctor examines her and identifies a cloudy area in her left eye. He decides to perform surgery using the phacoemulsification technique to remove the cataract and replace the lens with an intraocular lens (IOL).<\/p>\n\n\n\n<p>Before surgery, an anesthesiologist administers medication to numb the patient\u2019s left eye, minimizing movement and pain. Since the anesthesia is provided by a different provider, the billing team uses CPT code 00142 to file a claim for the service.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Anesthesia Care for Refractive Lens Exchange (RLE)<\/strong><\/h3>\n\n\n\n<p>Now, let\u2019s consider another example! A 42-year-old man with severe nearsightedness (myopia) experiences frequent headaches. He consults an eye surgeon and chooses refractive lens exchange (RLE) over LASIK because it can correct a broader range of myopia.<\/p>\n\n\n\n<p>During the procedure, the surgeon replaces the patient\u2019s natural lens with an IOL while a CRNA sedates him to ensure minimal discomfort. The CRNA then bills for anesthesia services using CPT code 00142.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Anesthesia Service for Pediatric Cataract Surgery<\/strong><\/h3>\n\n\n\n<p>Can you use CPT 00142 for pediatric cataract surgery? The answer is yes!<strong> <\/strong>Suppose a baby is born with a congenital cataract. To prevent complications like blindness or amblyopia (lazy eye), the parents take the child to an ophthalmologist for cataract surgery.<\/p>\n\n\n\n<p>Before the procedure, an anesthesiologist fully sedates the baby so the child remains still during surgery. The anesthesiologist then uses CPT code 00142 to bill for his part in the procedure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Applicable Modifiers for <\/strong><strong>CPT Code 00142<\/strong><\/h2>\n\n\n\n<p>Do you know that anesthesia services have a <a href=\"https:\/\/www.novitas-solutions.com\/webcenter\/portal\/MedicareJL\/pagebyid?contentId=00144514\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">unique set of modifiers<\/a>? Each modifier represents a different situation under which anesthesia was administered or highlights the role of an anesthesiologist or CRNA.&nbsp;<\/p>\n\n\n\n<p>So, if you want to receive complete and fair payments, apply the following modifiers to CPT code 00142:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier 23<\/strong><\/h3>\n\n\n\n<p>You can apply <a href=\"https:\/\/medibillmd.com\/blog\/modifier-23\/\">Modifier 23<\/a> to CPT code 00142 under unusual circumstances. To be more specific, this anesthesia modifier indicates that instead of local anesthesia, an anesthesiologist administered general anesthesia to sedate the patient fully.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier AA<\/strong><\/h3>\n\n\n\n<p>Modifier AA is one of the pricing modifiers. In simple words? It can affect the reimbursement rate of CPT code 00142. You can use this code if an anesthesiologist personally performs anesthesia services.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier QX<\/strong><\/h3>\n\n\n\n<p>This two-character code specifies that a qualified non-physician anesthetist performed the service. Hence, you can use modifier QX with CPT code 00142 if a CRNA administers anesthesia under the supervision of a physician.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier QY<\/strong><\/h3>\n\n\n\n<p>This pricing modifier is quite similar to the modifier QX. However, instead of giving anesthesia under the direction of a physician, you can append modifier QY to CPT code 00142 if a CRNA provides anesthesia care under the supervision of an anesthesiologist.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier QZ<\/strong><\/h3>\n\n\n\n<p>On the other hand, you can use the <a href=\"https:\/\/medibillmd.com\/blog\/modifier-qz\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>modifier QZ<\/strong><\/a> with CPT code 00142 if a CRNA administers anesthesia without supervision.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modifier QS<\/strong><\/h3>\n\n\n\n<p>If you perform eye lens replacement surgery under monitored anesthesia care (MAC), use modifier QS with CPT code 00142.<\/p>\n\n\n\n<p>Besides these modifiers, you can also use the physical status modifiers, from P1 to P6, to specify the patient\u2019s condition.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>CPT Code 00142<\/strong><strong> &#8211; Billing &amp; Reimbursement Guidelines<\/strong><\/h2>\n\n\n\n<p>The billing requirements for CPT code 00142 are not as complex as other anesthesia codes. Simply follow our tips to file accurate claims:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Justify Medical Necessity with Proper Documentation&nbsp;<\/strong><\/h3>\n\n\n\n<p>The most important tip? Avoid documentation gaps when filing a claim for CPT code 00142. Your records should clearly support the need for anesthesia services and must include:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Anesthesia time (start and stop times)&nbsp;<\/li>\n\n\n\n<li>Anesthesia type (local, general, or other)&nbsp;<\/li>\n\n\n\n<li>Name and credentials of the provider administering anesthesia<\/li>\n\n\n\n<li>Patient preparation details&nbsp;<\/li>\n\n\n\n<li>Patient\u2019s medical history and current condition&nbsp;<\/li>\n\n\n\n<li>Relevant diagnostic codes to support medical necessity&nbsp;<\/li>\n\n\n\n<li>Procedure details<\/li>\n<\/ul>\n\n\n\n<p><strong>Important Note:<\/strong>&nbsp; Anesthesia time is calculated from when the anesthesiologist begins preparing the patient for sedation until they are no longer personally attending to the patient.&nbsp; Want to know the proper way to report this time? Record it in minutes instead of units, specifically in 15-minute intervals.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Apply the Correct Modifiers<\/strong><\/h3>\n\n\n\n<p>Use the appropriate modifiers to inform payers about who provided anesthesia. Without them, insurers may bundle anesthesia into the eye lens replacement surgery and deny separate reimbursement.&nbsp;<\/p>\n\n\n\n<p>Therefore, if an anesthesiologist or a CRNA was involved, use the correct modifier with CPT code 00142 to ensure proper payment.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Comply with Federal &amp; Private Insurance Guidelines&nbsp;<\/strong><\/h3>\n\n\n\n<p>Medicare has different rules for anesthesia coverage than private insurers. For example, it only covers medically necessary anesthesia services and requires supporting documentation for special cases like Monitored Anesthesia Care (MAC).&nbsp;<\/p>\n\n\n\n<p>On the other hand, commercial payers may have different requirements and restrictions. Therefore, you should always verify payer-specific policies before administering anesthesia.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Avoid Common Mistake<\/strong><\/h3>\n\n\n\n<p>Do not file a separate claim for CPT code 00142 if a qualified anesthesiologist or CRNA was not involved in the procedure. Moreover, don&#8217;t forget diagnostic codes, as they are necessary for justifying medical necessity. Finally, attach complete documentation to avoid claim denials.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>As you can see, anesthesia billing for eye lens replacement surgery is not as complicated as people make it out to be. You can apply CPT code 00142 along with correct modifiers to request separate compensation for any anesthesiologist or CRNA involved in the surgery.But if you are drowning in clinical or other non-clinical tasks, you can always partner with an expert like MediBillMD to improve your billing accuracy. Our <a href=\"https:\/\/medibillmd.com\/specialties\/anesthesia-billing-services\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>anesthesia billing services<\/strong><\/a> also include coding, so you won\u2019t have to worry about basic mistakes or underpayments.&nbsp;<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Another day, another anesthesia code to uncover! Anesthesia care is very common in surgical procedures, each with a specific billing [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","content-type":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[10],"tags":[],"class_list":["post-3134","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cpt-codes"],"uagb_featured_image_src":{"full":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3.webp",1200,720,false],"thumbnail":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3-150x150.webp",150,150,true],"medium":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3-300x180.webp",300,180,true],"medium_large":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3-768x461.webp",768,461,true],"large":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3-1024x614.webp",1024,614,true],"1536x1536":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3.webp",1200,720,false],"2048x2048":["https:\/\/medibillmd.com\/blog\/wp-content\/uploads\/2025\/03\/ultimate-guide-to-cpt-code-00142-67c6af61ba1c3.webp",1200,720,false]},"uagb_author_info":{"display_name":"Fred Allen","author_link":"https:\/\/medibillmd.com\/blog\/author\/fred-allen\/"},"uagb_comment_info":0,"uagb_excerpt":"Another day, another anesthesia code to uncover! Anesthesia care is very common in surgical procedures, each with a specific billing [&hellip;]","_links":{"self":[{"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/posts\/3134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/comments?post=3134"}],"version-history":[{"count":0,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/posts\/3134\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/media\/3130"}],"wp:attachment":[{"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/media?parent=3134"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/categories?post=3134"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medibillmd.com\/blog\/wp-json\/wp\/v2\/tags?post=3134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}