AutoICD API

N18.1

Billable

Chronic kidney disease, stage 1

Chronic kidney disease, stage 1

Status

Billable / Specific

Block

N17-N19

Parent Code

N18

Coding Notes

Excludes 2

Conditions not included here, but the patient may have both

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • congenital renal failure (P96.0)
  • drug- and heavy-metal-induced tubulo-interstitial and tubular conditions (N14.-)
  • extrarenal uremia (R39.2)
  • hemolytic-uremic syndrome (D59.3-)
  • hepatorenal syndrome (K76.7)
  • postpartum hepatorenal syndrome (O90.41)
  • posttraumatic renal failure (T79.5)
  • prerenal uremia (R39.2)
  • renal failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
  • renal failure following labor and delivery (O90.41)
  • renal failure postprocedural (N99.0)

Code First

The underlying condition must be sequenced before this code

Use Additional Code

Additional codes that should follow this code

  • code to identify kidney transplant status, if applicable, (Z94.0)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code N18.1?

ICD-10-CM code N18.1 represents "Chronic kidney disease, stage 1". It is a billable/specific code that can be used on a claim.

Is N18.1 a billable code?

Yes, N18.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is N18.1 in?

N18.1 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).

Are additional codes required with N18.1?

Yes, when using N18.1 you should also code: code to identify kidney transplant status, if applicable, (Z94.0).

What SNOMED CT codes does N18.1 map to?

N18.1 maps to 17 SNOMED CT concepts: 707323002, 691381000119104, 36221001, 285041000119107, 431855005, and 12 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for N18.1?

N18.1 is linked to 1 UMLS Concept Unique Identifier: C2316401. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.