ICD10BillableValid for clinical use

ICD-10 Code Q36.1: Cleft lip, median

Q36.1 is a billable ICD-10 diagnosis code used to classify Cleft lip, median in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0).

When is it used?

  • May be used when a clinician documents cleft lip, median in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
17Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
block
Q35-Q37Cleft lip and cleft palate
category
Q36Cleft lip
currentQ36

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Coverage-related procedures and services

CPT 30460high
RHINOPLASTY FOR NASAL DEFORMITY SECONDARY TO CONGENITAL CLEFT LIP AND/OR PALATE, INCLUDING COLUMELLAR LENGTHENING; TIP ONLY
Source: CMS coverage guidance
CPT 30462high
RHINOPLASTY FOR NASAL DEFORMITY SECONDARY TO CONGENITAL CLEFT LIP AND/OR PALATE, INCLUDING COLUMELLAR LENGTHENING; TIP, SEPTUM, OSTEOTOMIES
Source: CMS coverage guidance
CPT 30410high
RHINOPLASTY, PRIMARY; COMPLETE, EXTERNAL PARTS INCLUDING BONY PYRAMID, LATERAL AND ALAR CARTILAGES, AND/OR ELEVATION OF NASAL TIP
Source: CMS coverage guidance
CPT 30420high
RHINOPLASTY, PRIMARY; INCLUDING MAJOR SEPTAL REPAIR
Source: CMS coverage guidance
CPT 30400high
RHINOPLASTY, PRIMARY; LATERAL AND ALAR CARTILAGES AND/OR ELEVATION OF NASAL TIP
Source: CMS coverage guidance
CPT 30435high
RHINOPLASTY, SECONDARY; INTERMEDIATE REVISION (BONY WORK WITH OSTEOTOMIES)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Q36.1

Common synonyms

Cleft lip, median

Frequently asked questions

Code details

CodeQ36.1
SystemICD10
Display nameCleft lip, median
ChapterCongenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
BlockCleft lip and cleft palate

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Cleft(congenital)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Q36.1 for Cleft lip, median | HealthAssure